Criticize the act, not the person.
A precedent embalms a principle.
The road of excess leads to the palace of wisdom.
Nothing is so strong as gentleness, nothing so gentle as real strength
At the center of your being you have the answer; you know who you are and you know what you want.
Creativity is the process of having original ideas that have value.
No one can make you feel inferior without your consent.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
There is no question climate change is happening. The only arguable point is what part humans are playing in it.
As our case is new, we must think and act anew.
Not everything that can be counted counts, and not everything that counts can be counted.
Every aquarium will eventually leak.
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
A mistake is always forgivable, rarely excusable and always unacceptable.
Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.
Act as if the maxim of your action were to become through your will a general natural law
Never do anything when you are in a temper, for you will do everything wrong.
You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.
Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.
No one cares how much you know, until they know how much you care
Fear doesn't exist anywhere except in the mind.