It is not enough to have a good mind; the main thing is to use it well.
The first precept was never to accept a thing as true until I knew it as such without a single doubt.
Your joy is your sorrow unmasked. And the self same well from which your laughter rises was often times filled with your tears.
It is only prudent never to place complete confidence in that by which we have even once been deceived.
I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
Nothing is more fairly distributed than common sense no one needs more of it than one already has
Each problem that I solved became a rule, which served afterwards to solve other problems.
Let us suppose, then, that we are dreaming, and that all these particulars namely, the opening of the eyes, the motion of the head, the forth putting of the hands are merely illusions; and even that we really possess neither an entire body nor hands su
One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another.
Cogito ergo sum.
Cogito, ergo, sum. (I think therefore I am.)
Good sense is of all things in the world the most equally distributed, for everybody thinks he is so well supplied with it, that even those most difficult to please in all other matters never desire more of it than they already possess.
Common sense is the best distributed thing in the world, for everyone thinks he is so well-endowed with it that even those who are hardest to satisfy in all other matters are not in the habit of desiring more of it than they already have
Everybody thinks himself so well supplied with common sense that even those most difficult to please. . . never desire more of it than they already have.
Dubito ergo cogito; cogito ergo sum.<br/>(I doubt, therefore I think; I think therefore I am)
When I consider this carefully, I find not a single property which with certainty separates the waking state from the dream. How can you be certain that your whole life is not a dream?
It is easy to hate and it is difficult to love. This is how the whole scheme of things works. All good things are difficult to achieve; and bad things are very easy to get.
Illusory joy is often worth more than genuine sorrow.
The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
A state is better governed which has few laws, and those laws strictly observed
The principal effect of the passions is that they incite and persuade the mind to will the events for which they prepared the body.
The greatest minds, as they are capable of the highest excellencies, are open likewise to the greatest aberrations
In order to improve the mind, we ought less to learn, than to contemplate
You just keep pushing. You just keep pushing. I made every mistake that could be made. But I just kept pushing.