A man only learns in two ways, one by reading, and the other by association with smarter people.

The power to question is the basis of all human progress.

Your mind will answer most questions if you learn to relax and wait for the answer.

The most wasted day of all is that on which we have not laughed.

A single twig breaks, but the bundle of twigs is strong.

The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.

I learned the value of hard work by working hard.

In youth we learn; in age we understand.

Learning never exhausts the mind.

Do your best and keep learning - that's what I believe in.