He lives well who is well hidden.

Thus each truth discovered was a rule available in the discovery of subsequent ones.

We call infinite that thing whose limits we have not perceived, and so by that word we do not signify what we understand about a thing, but rather what we do not understand.

To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.

For each of us there is a set limit to our intellectual powers which we cannot pass.

The principal use of prudence, of self-control, is that it teaches us to be masters of our passions, and to so control and guide them that the evils which they cause are quite bearable, and that we even derive joy from them all.

Omnia apud me mathematica fiunt.