If it is not right do not do it; if it is not true do not say it. Marcus Aurelius
The time is always right to do what is right. Martin Luther King, Jr
Whatever is, is right. Alexander Pope
The man who gets angry at the right things and with the right people, and in the right way and at the right time and for the right length of time, is commended. Aristotle.
It is not who is right, but what is right, that is important. T H Huxley
The right to do something does not mean that doing it is right. William Safire
To see what is right and not to do it is want of courage. Confucius