a trouble shared is a trouble half endured.

Be sure that you are right; and then go ahead.

I do not believe there is any one study that can be taken up that will broaden the imagination, that will be the source from which will spring more deep thinking and sincere research than the study of astronomy.

When any man accumulates more than he can earn with his own hands, he begins to enrich himself at the expense of the youth, the sweat, the blood, the joy of his fellow men.

it takes the very wisest person there is to know when to talk, and when to keep still.

no one in the whole world knows all a man's bignesses and all his littlenesses as his wife does.

I do not know why it is the fate of the world always to want something different from what life gives them.