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

God alone is the author of all the motions in the world.

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

There is a great difference between mind and body insomuch as body is by nature always divisible, and the mind is entirely indivisible.

Reason is nothing without imagination.

We never understand a thing so well,and make it our own, as when we have discovered it for ourselves.

I experienced in myself a certain capacity for judging which I have doubtless received from God, like all the other things that I possess; and as He could not desire to deceive me, it is clear that He has not given me a faculty that will lead me to err if I use it aright.