To see what is right and not to do it, is want of courage. -Confucius Analects.

Is there any one maxim which ought to be acted upon throughout one's whole life? Surely the maxim of loving kindness is such: Do not unto others what you would not they should do unto you.

To see what is right and not to do it is want of courage, or of principle.

Faced with what is right, to leave it undone shows a lack of courage.

Wisdom, compassion, and courage are the three universally recognized moral qualities of men.

Learning without thought is labor lost; and thought without learning is perilous.