True happiness arises, in the first place, from the enjoyment of one's self, and in the next, from the friendship and conversation of a few select companions.

The past is always tense, the future perfect.

Everything is possible as long as you have the courage to pursue it.

Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

Knowledge and human power are synonymous.

True patriotism doesn't exclude an understanding of the patriotism of others.