Courage, above all things, is the first quality of a warrior.
Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.
If you only read the books that everyone else is reading, you can only think what everyone else is thinking.
A good teacher protects his pupils from his own influence.
At the center of your being you have the answer; you know who you are and you know what you want.
A house is not a home unless it contains food and fire for the mind as well as the body.
What's done can't be undone.
Wisdom... comes not from age, but from education and learning.
Experience is merely the name men gave to their mistakes.
The more that you read, the more things you will know. The more that you learn, the more places you'll go.
Choose rather to be strong of soul than strong of body.
Time wounds all heels.
I've never known any trouble than an hour's reading didn't assuage.
I think, therefore I am.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact
It is the mark of an educated mind to be able to entertain a thought without accepting it.
Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.
Fine clothes may disguise, but silly words will disclose a fool.
Never do anything when you are in a temper, for you will do everything wrong.
Don't expect to build up the weak by pulling down the strong.