Perfect numbers like perfect men are very rare.
Travelling is almost like talking with those of other centuries.
It is not enough to have a good mind; the main thing is to use it well.
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.
Divide each difficulty into as many parts as is feasible and necessary to resolve it.
The reading of all good books is like a conversation with the finest minds of past centuries.
When it is not in our power to follow what is true, we ought to follow what is most probable.