When you teach your son, you teach your son's son.
The Talmud in Wikipedia
The belief in the possibility of a short decisive war appears to be one of the most ancient and dangerous of human illusions.
(April 20, 1879 - )
And the king went up into the house of the LORD, and all the men of Judah, and the inhabitants of Jerusalem, and the priests, and the Levites, and all the people, great and small: and he read in their ears all the words of the book of the covenant that was found in the house of the LORD.
Never put a sock in a toaster.