If a man does not tell everything to his spiritual father, then his path is crooked and does not lead to the Kingdom of Heaven. But the path of one who tells everything leads directly to the Kingdom of Heaven. Silouan the Athonite
If you do not tell the truth about yourself you cannot tell it about other people. Virginia Woolf
Be wiser than other people if you can, but do not tell them so. Philip Stanhope, 4th Earl of Chesterfield
Do not tell all that you know, don't believe all you hear, and don't do all that you can. Portuguese Proverb
Truth is what women do not tell. Luxembourgish Proverb
You can not tell a hungry child that you gave him food yesterday. Zimbabwe Proverb