Circumstances alter faces.
Insistent advice may develop into interference, and interference, someone has said, is the hind hoof of the devil.
musicians rarely have a sense of humour, at least, about themselves.
One of the first principles of perseverance is to know when to stop persevering.
A critic is a necessary evil, and criticism is an evil necessity.
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!