“For to be possessed of a vigorous mind is not enough; the prime requisite is rightly to apply it.”

To know what people really think, pay attention to what they do, rather than what they say.

Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something.

Am I so tied to a body and senses that I am incapable of existing without them?

Each problem that I solved became a rule which served afterwards to solve other problems.

The first precept was never to accept a thing as true until I knew it as such without a single doubt

Masked, I advance.

There is nothing more ancient than the truth.

When it is not in our power to determine what it true, we ought to follow what is most probable.

For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no effect other than the increasing discovery of my own ignorance

All that is necessary to right action is right judgment, and to the best action the most correct judgment.

I desire to live in peace and to continue the life I have begun under the motto ‘to live well you must live unseen’.

Truths are more likely to have been discovered by one man than by nation

I doubt, therefore I think, therefore I am.

But what then am I? A thing that thinks. What is that? A thing that doubts, understand, affirms, denies, wills, refuses, and that also imagines and senses.

He who hid well, lived well.

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

And in this community, as in all others, the Golden Rule still applies – we must be act toward other nations as we would have them act towards America.

Sometimes the type of person from the old machine, who is everything but an appealing figure, happens to win an election. But democracy applies to everyone, not just the noble and the clever.

Daniel Levitin takes the most sophisticated ideas that exist about the brain and mind, applies them to the most emotionally direct art we have, our songs, and makes beautiful music of the two together.

Whatever man may stand, whatever he may do, to whatever he may apply his hand – in agriculture, in commerce, and in industry, or his mind, in the world of art, and science.

The uses to which it may be applied are limited only by an individual’s imagination.

If you don’t have a goal or purpose to strive for, I don’t think that you have much of a life. You’ve got to have something to do that you want to apply yourself to – that’s what living is all about.

Confidence breeds success & success breeds confidence, Confidence applied properly surpasses genius.

The whole slacker generation totally didn’t apply to us musically.