Criticize the act, not the person.
If you don't like someone's story, write your own.
All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.
Adapt what is useful, reject what is useless, and add what is specifically your own.
Appearances often are deceiving.
It is not the strength, but the duration, of great sentiments that makes great men.
If you do not know the laws of right conduct, you cannot form your character.
What can't be cured must be endured.
Learned we may be with another man's learning: we can only be wise with wisdom of our own.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.
A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.
But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.
What a liberation to realize that the “voice in my head” is not who I am. Who am I then? The one who sees that.
If you don't know where you're from, you'll have a hard time saying where you're going.
Proverbs are short sentences drawn from long experience.
Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.
Don't raise your voice, improve your argument.
Anywhere you go in the world is what you make of it, not what you read in books.
Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.
If you don't want to slip up tomorrow, speak the truth today.