Inaction saps the vigor of the mind.
Our life is made by the death of others.
He who wishes to see how the soul inhabits the body should look to see how that body uses its daily surroundings. If the dwelling is dirty and neglected, the body will be kept by its soul in the same condition, dirty and neglected.
Every man at three years old is half his height
Tears come from the heart and not from the brain
Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.