Quotes of All Topics . Occasions . Authors
De omnibus dubitandum
All is to be doubted.
I think; therefore I am.
Everything is self-evident.
He who hid well, lived well.
Doubt is the origin of wisdom
Nothing comes out of nothing.
Omnia apud me mathematica fiunt.
Science is practical philosophy.
He lives well who is well hidden.
Reason is nothing without imagination.
Conquer yourself rather than the world.
Wonder is the first of all the passions.
The only secure knowledge is that I exist.
With me, everything turns into mathematics.
There is nothing more ancient than the truth.
Perfect numbers like perfect men are very rare.
The only thing that I know, is that I know nothing
Illusory joy is often worth more than genuine sorrow.
Sensations are nothing but confused modes of thinking.
Desire awakens only to things that are thought possible.
God alone is the author of all the motions in the world.
How can you be certain that your whole life is not a dream?
But possibly I am something more than I suppose myself to be.
But in my opinion, all things in nature occur mathematically.
Give me extension and motion and I will construct the universe.
Travelling is almost like talking with those of other centuries.
Except our own thoughts, there is nothing absolutely in our power.
Bad books engender bad habits, but bad habits engender good books.
Truths are more likely to be discovered by one man than by a nation
Neither divine grace nor natural knowledge ever diminishes freedom.
When writing about transcendental issues, be transcendentally clear.
I know that I exist; the question is, What is this 'I' that 'I' know.
We do not describe the world we see, we see the world we can describe.
The only thing we have power over in the universe is our own thoughts.
It is not enough to have a good mind; the main thing is to use it well.
It is not enough to have a good mind. The main thing is to use it well.
And thereby make ourselves, as it were, the lords and masters of nature.
In order to improve the mind, we ought less to learn, than to contemplate.
I accept no principles of physics which are not also accepted in mathematics.
I am indeed amazed when I consider how weak my mind is and how prone to error.
A state is better governed which has few laws, and those laws strictly observed.
...it is certain that I am really distinct from my body, and can exist without it.
It is best not to go on for great quest for truth , it will only make you miserable
For each of us there is a set limit to our intellectual powers which we cannot pass.
Thus each truth discovered was a rule available in the discovery of subsequent ones.
Divide each difficulty into as many parts as is feasible and necessary to resolve it.
It is possible that I am dreaming right now and that all of my perceptions are false.
The object of music is a Sound. The end; to delight, and move various Affections in us.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.