Royalty does good and is badly spoken of.
Observe your enemies, for they first find out your faults.
I am sadly afraid that I must have done some wicked thing.
When brothers agree, no fortress is so strong as their common life.
The advantages of philosophy? That I am able to hold converse with myself.
We must not contradict, but instruct him that contradicts us; for a madman is not cured by another running mad also.