The most worth-while thing is to try to put happiness into the lives of others.

Indeed man wishes to be happy even when he so lives as to make happiness impossible.

Affection is responsible for nine-tenths of whatever solid and durable happiness there is in our lives.

The purpose of our lives is to be happy.

I tell students that even if they don't like math right now they can use math as a brain-sharpening tool - a tool that not only builds the foundation for a great career but that also builds self-confidence no matter what they choose to do with their lives.

I have great hopes that we shall love each other all our lives as much as if we had never married at all.

Those that have had great passions esteem themselves for the rest of their lives fortunate and unfortunate in being cured of them.

In reading the lives of great men I found that the first victory they won was over themselves... self-discipline with all of them came first.

Our bodies are shaped to bear children and our lives are a working out of the processes of creation. All our ambitions and intelligence are beside that great elemental point.

No great man lives in vain. The history of the world is but the biography of great men.