The man of science is a poor philosopher.

Everything comes to him who hustles while he waits.

In matters of conscience, the law of the majority has no place.

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

There are books of which the bags and covers are by far the best parts.

I may be drunk, Miss, but in the morning I will be sober and you will still be ugly. 

There is no way you can pay back for kindness because it comes for free.

Show me a thoroughly satisfied man and I will show you a failure.

To improve is to change; to be perfect is to change often. 

God, as Truth, has been for me a treasure beyond price. May He be so to every one of us.

Look at the world. There is no pure competitor to the United States of America.

Times and conditions change so rapidly that we must keep our aim constantly focused on the future.