An evil person is like a piece of coal: if it doesn't burn, it blackens you. Anacharsis
The goal of human freedom is not in freedom itself, nor it is in man, but in God. By giving man freedom, God has yielded to man a piece of His Divine authority, but with the intention that man himself would voluntarily bring it as a sacrifice to God, a most perfect offering. Theophan the Recluse
When your mother asks, 'Do you want a piece of advice?' it is a mere formality. It doesn't matter if you answer yes or no. You're going to get it anyway. Erma Bombeck
A piece of incense may be as large as the knee, but unless burned emits no fragrance. Malawi Proverb
If Nakedness promises you a piece of cloth, ask him his name. Sudanese Proverb
He who has been bitten by a snake fears a piece of string. Persian Proverb