Wallace D Wattles wrote 3 amazing books over a century ago and they are all relevant even today.
The Science of Being Great
The purpose of life for man is growth, just as the purpose of life for trees and plants is growth. Trees and plants grow automatically and along fixed lines; man can grow, as he will. Trees and plants can only develop certain possibilities and characteristics; man can develop any power, which is or has been shown by any person, anywhere. It is essential to our happiness that we should continuously advance. No one is barred from attaining greatness by heredity. No matter who or what your ancestors may have been or how unlearned or lowly their station, the upward way is open for you. We are born with subconscious mental tendencies; as, for instance, a tendency to melancholy, or cowardice, or to ill temper; but all these subconscious tendencies may be overcome.
Wisdom: The power to perceive the best ends to aim at and the best means for reaching those ends. It is the power to perceive the right thing to do. The person who is wise enough to know the right thing to do, who is good enough to wish to do only the right thing, and who is able and strong enough to do the right thing is a truly great person.
You can never become a great man or woman until you have overcome anxiety, worry, and fear. It is impossible for an anxious person, a worried one, or a fearful one to perceive truth; all things are distorted and thrown out of their proper relations by such mental states.
The Individual Point of View: An engine, which is on the rails pulling a heavy train, is perfect after its kind, and it is good. The power of steam, which drives it, is good. Let a broken rail throw the engine into the ditch, and it does not become bad or evil by being so displaced; it is a perfectly good engine, but off the track. The power of steam that drives it into the ditch and wrecks it is not evil, but a perfectly good power. So that which is misplaced or applied in an incomplete or partial way is not evil. There are no evil people; there are perfectly good people who are off the track, but they do not need condemnation or punishment; they only need to get upon the rails again.
Consecration: consecration in its true sense simply means obedience to the soul. You have that within you that which is always impelling you toward the upward and advancing way. It is not the mind, or the intellect, or the reason. Reason knows neither principle nor morality. Your reason is like a lawyer in that it will argue for either side. The intellect of a thief will plan robbery and murder as readily as the intellect of a saint will plan a great philanthropy.
Idealization: Make a thought-form of yourself, as you desire to be, and set your ideal as near to perfection as your imagination is capable of forming the conception. e.g.: If a young law student wishes to become great, let him picture himself as a great lawyer, pleading his case with matchless eloquence and power before the judge and jury; as having an unlimited command of truth, of knowledge and of wisdom. Let him picture himself as the great lawyer in every possible situation and contingency; while he is still only the student in all circumstances let him never forget or fail to be the great lawyer in his thought-form of himself. As the thought-form grows more definite and habitual in his mind, the creative energies, both within and without, are set at work, he begins to manifest the form from within and all the essentials without, which go into the picture, begin to be impelled toward him. He makes himself into the image and God works with him; nothing can prevent him from becoming what he wishes to be.
DO NOT LET OTHER PEOPLE DECIDE WHAT YOU ARE TO BE. BE WHAT YOU FEEL THAT YOU WANT TO BE.
Realization: If you were to stop at idealization, however, you would never become great; you would be indeed a mere dreamer of dreams, a castle-builder. Too many do stop there; they do not understand the necessity for present action in realizing the vision and bringing the thought-form into manifestation. You cannot begin, on the instant, to do the great things; you cannot be before the world the great actor, or lawyer, or musician, or personality you know yourself to be; no one will entrust great things to you as yet for you have not made yourself known. But you can always begin to do small things in a great way. Here lies the whole secret. You can begin to be great today in your own home, in your store or office, on the street, everywhere; you can begin to make yourself known as great, and you can do this by doing everything you do in a great way. You must put the whole power of your great soul in to every act, however small and commonplace, and so reveal to your family, your friends, and neighbours what you really are. Do not brag or boast of yourself; do not go about telling people what a great personage you are, simply live in a great way. No one will believe you if you tell him you are a great man, but no one can doubt your greatness if you show it in your actions.
Next, and most important, you must have absolute faith in your own perceptions of truth. Never act in haste or hurry; be deliberate in everything; wait until you feel that you know the true way. And when you do feel that you know the true way, be guided by your own faith though the entire world shall disagree with you. If you do not believe what the universe tells you in little things, you will never draw upon its wisdom and knowledge in larger things. When you feel deeply that a certain act is the right act, do it and have perfect faith that the consequences will be good. When you are deeply impressed that a certain thing is true, no matter what the appearances to the contrary may be, accept that thing as true and act accordingly. The one way to develop a perception of truth in large things is to trust absolutely to your present perception of Truth in small things.
If you found the synopsis interesting. I would highly recommend that you read the book.
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