Every difference of opinion is not a difference of principle.

Silence is one of the hardest arguments to refute.

Love is the only force capable of transforming an enemy into a friend.

If you spend your time hoping someone will suffer the consequences for what they did to your heart, then you’re allowing them to hurt you a second time in your mind.

The free flow of conflicting ideas and feelings is critical for creative thinking, for discovering new solutions no one individual would have come to on his own.

You may shoot me with your words, you may cut me with your eyes, you may kill me with your hatefulness, but still, like air, I'll rise.

I have seen enough of one war never to wish to see another.

Can anything be more ridiculous than that a man should have the right to kill me because he lives on the other side of the water, and because his ruler has a quarrel with mine, though I have none with him?

Fear not those who argue but those who dodge.

One of the most pathetic—and dangerous—signs of our times is the growing number of individuals and groups who believe that no one can possibly disagree with them for any honest reason.

To every action there is always opposed an equal reaction: or, the mutual actions of two bodies upon each other are always equal, and directed to contrary parts.

Never argue with stupid people, they will drag you down to their level and then beat you with experience.

Always vote for principle, though you may vote alone, and you may cherish the sweetest reflection that your vote is never lost.

The creed which accepts as the foundation of morals Utility, or the Greatest Happiness Principle, holds that actions are right in proportion as they tend to promote happiness, wrong as they tend to produce the reverse of happiness.

'Tis the business of little minds to shrink; but he whose heart is firm, and whose conscience approves his conduct, will pursue his principles unto death.

Racial discrimination is not a permissible solution... that can only weaken the principle of equality embodied in the Declaration of Independence and the Equal Protection Clause.

Perfect wisdom has four parts; Wisdom, the principle of doing things right. Justice, the principle of doing things equally in public and private. Fortitude, the principle of not fleeing danger, but meeting it. Temperance, the principle of subduing desires and living moderately.

The spread of evil is the symptom of a vacuum. Whenever evil wins, it is only by default; by the moral failure of those who evade the fact that there can be no compromise on basic principles.

I am a true laborer: I earn that I eat, get that I wear, owe no man hate, envy no man’s happiness, glad of other men’s good, content with my harm.