The root of joy, as of duty, is to put all one's powers towards some great end.

I have always sought to guide the future-but it is very lonely sometimes trying to play God.

We should be eternally vigilant against attempts to check the expression of opinions that we loathe.

There are many things which we can afford to forget which it is yet well to learn.

Many ideas grow better when transplanted into another mind than in the one where they sprung up.

Our dead brothers and sisters still live for us and bid us think of life, not death-of life to which in their youth they lent the passion and glory of Spring. As I listen, the great chorus of life and joy begins again, and amid the awful orchestra of seen and unseen powers and destinies of good and evil, our trumpets sound once more a note of daring, hope, and will.

Fame usually comes to those who are thinking about something else.