Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
To every action there is always an equal and opposite or contrary, reaction
If the facts don't fit the theory, change the facts.
It is possible to fly without motors, but not without knowledge and skill.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
Knowing others is wisdom, knowing yourself is Enlightenment.
All stable processes we shall predict. All unstable processes we shall control.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
Any sufficiently advanced technology is indistinguishable from magic.
The schools ain't what they used to be and never was.
Courage, conviction and confidence.
Education is an ornament for the prosperous, a refuge for the unfortunate.
The progressive development of man is vitally dependent on invention.
Better know nothing than half-know many things.
Intelligence plus character-that is the goal of true education.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
There is nothing more awful, insulting, and depressing than banality.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.