Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.

Empathy is patiently and sincerely seeing the world through the other person's eyes. It is not learned in school; it is cultivated over a lifetime.

The comprehensibility of the world seems to me a wonder or eternal secret. Here lies the sense of wonder which increases even more with the development of our knowledge.

The high destiny of the individual is to serve rather than to rule.

If I had 20 days to solve a problem, I would take 19 days to define it

What is essential in the life of a man of my kind is what he thinks and how he thinks, and not what he does or suffers.

Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced.