My honor is dearer to me than my own life.

The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.

To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.

Truly, to tell lies is not honorable; but when the truth entails tremendous ruin, to speak dishonorably is pardonable.

Confidence…thrives on honesty, on honor, on the sacredness of obligations, on faithful protection and on unselfish performance. Without them it cannot live.

Let me give you a tip on a clue to men’s characters: the man who damns money has obtained it dishonorably; the man who respects it has earned it.

Duty, honor, country. Those three hallowed words dictate what you ought to be, what you can be, what you will be.

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.

Here must all distrust be left behind; all cowardice must be ended.

If you hold a cat by the tail you learn things you cannot learn any other way.

it takes as much energy to wish as it does to plan.

Nothing exists except atoms and empty space; everything else is opinion.

Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business and none of yours.

Either you run the day, or the day runs you.