You can never know everything, and part of what you know is always wrong. Perhaps even the most important part. A portion of wisdom lies in knowing that. A portion of courage lies in going on anyway.
The thorns which I have reaped are of the tree I planted, – they have torn me, – and I bleed: I should have known what fruit would spring from such a seed.
The goal to be reached is the mind’s insight into what knowing is. Impatience asks for the impossible, wants to reach the goal without the means of getting there. The length of the journey has to be borne with, for every moment is necessary.
Learning does not consist only of knowing what we must or we can do, but also of knowing what we could do and perhaps should not do.
Knowledge is worth more than anything there is in the world; it’s what makes great men and good men.
Just because some of us can read and write and do a little math, that doesn’t mean we deserve to conquer the Universe.