"This means that a lot of observable truths will never be proved scientifically. "
If science has proven anything so far, it is that observable phenomena can be very deceptive. Interestingly, many of the greatest gurus/masters across different esoteric branches of different religions, have also come to similar understanding.
Yes indeed, @techwizardry, that's what my previous post about science vs Buddhism was all about :-) Thanks for sharing your thoughts!