Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Advice

Advice after mischief is like medicine after death.
—Anonymous

Advice is like kissing: it costs nothing and is a pleasant thing to do.
—Josh Billings

Advice is like snow; the softer it falls, and the longer it dwells upon, the deeper it sinks into the mind.
—Samuel Taylor Coleridge

To listen to the advice of a treacherous friend is like drinking poison from a golden cup.
—Demophilus

Advice all the world over is like wind in a cage. In the case of lovers, like water in a sieve.
—Pilpay