Science without conscience is the soul's perdition.
The appetite grows with eating.
The right moment wears a full head of hair: when it has been missed, you can't get it back; it's bald in the back of the head and never turns around.
No clock is more regular than the belly.
It is said, proverbially, that happy is the doctor who is called in when the disease is on its way out.
We always long for the forbidden things, and desire what is denied us.