Creativity is the greatest rebellion in existence.
Wrong life cannot be lived rightly.
Intellectuals solve problems, geniuses prevent them.
Nobody has the power to take two steps together; you can take only one step at a time.
What's done can't be undone.
Every aquarium will eventually leak.
The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.
The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.
No man has any natural authority over his fellow men.
The ultimate authority must always rest with the individual's own reason and critical analysis.
Act enthusiastic and you will be enthusiastic
You cannot truly listen to anyone and do anything else at the same time.
If you have no problems, then you have no clue to what is going.
Men are not prisoners of fate, but only prisoners of their own minds.
Property is surely a right of mankind as real as liberty.
None but ourselves can free our minds.
Those who see the invisible can do the impossible.
Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.
Creativity is the process of having original ideas that have value.
I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.
If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.