The only way to regenerate the world is to do the thing which lies nearest us, and not hunt after grand, far-fetched ones for ourselves.

There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.

The world goes up and the world goes down, the sunshine follows the rain; and yesterday's sneer and yesterday's frown can never come over again.

He was one of those men who possess almost every gift, except the gift of the power to use them.

It is only the great hearted who can be true friends. The mean and cowardly, Can never know what true friendship means.

For science is . . . like virtue, its own exceeding great reward.