Advice ... is a habit-forming drug. You give a dear friend a bit of advice today, and next week you find yourself advising two or three friends, and the week after, a dozen, and the week following, crowds!
One of the first principles of perseverance is to know when to stop persevering.
Where there's a will there's a detective story.
Patriotism covers a multitude of sins.
A blunder at the right moment is better than cleverness at the wrong time.
Advice is one of those things it is far more blessed to give than to receive.