The days are long enough for those who use them.

Reprove your friend in secret and praise him openly.

As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.

Tears come from the heart and not from the brain

I am not to blame for putting forward, in the course of my work on science, any general rule derived from a previous conclusion.

The eye transmits its own image through the air to all the objects which face it, and also receives them on its own surface, whence the "sensus communis" takes them and considers them.

If you put on more clothes as the cold increases, it will have no power to hurt you. Let us hope that.