You just keep pushing. You just keep pushing. I made every mistake that could be made. But I just kept pushing.
With me, everything turns into mathematics.
A state is better governed which has few laws, and those laws strictly observed.
Perfect numbers like perfect men are very rare.
Give me extension and motion and I will construct the universe.
I am indeed amazed when I consider how weak my mind is and how prone to error.
To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.
Truths are more likely to be discovered by one man than by a nation.
Bad books engender bad habits, but bad habits engender good books.
Doubt is the origin of wisdom.
There is a little gland in the brain in which the soul exercises its functions in a more particular way than in the other parts.
In order to improve the mind, we ought less to learn, than to contemplate.
I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.
Travelling is almost like talking with those of other centuries.
I desire to live in peace and to continue the life I have begun under the motto ’to live well you must live unseen.
Illusory joy is often worth more than genuine sorrow.
Variant: When it is not in our power to follow what is true, we ought to follow what is most probable.
How can you be certain that your whole life is not a dream?
For each of us there is a set limit to our intellectual powers which we cannot pass.
Now therefore, that my mind is free from all cares, and that I have obtained for myself assured leisure in peaceful solitude, I shall apply myself seriously and freely to the general destruction of all my former opinions.