The joy of surmounting obstacles which once seemed unremovable, and pushing the frontier of accomplishment further — what joy is there like unto it?

Face your deficiencies and acknowledge them; but do not let them master you. Let them teach you patience, sweetness, insight.

The things you do today that you don't have to do will determine who, what, and where you will be when it is too late to do anything about the things you should have done.

In times of danger large groups rise to the highest pitch of enthusiasm, courage and sacrifice . . . Mankind will be refashioned and history rewritten when this law is understood and obeyed.

My life has been happy because I have had wonderful friends and plenty of interesting work to do.

One can never consent to creep when one feels an impulse to soar.

If we do not like our work, and do not try to get happiness out of it, we are a menace to our profession as well as to ourselves.