He was indeed the glass Wherein the noble youth did dress themselves.

Let me give you an example, ... I worked at a television station in Minneapolis back in the 1980s and part of the 1990s. During our first years there, our two boys got in fights at school. You know what caused it? Some of the kids assumed that if we were from the South, we were members of the (Ku Klux) Klan.

...The happy Warrior... 'tis he whose law is reason; who depends upon that law as on the best of friends; whence, in a state where men are tempted still to evil for a guard against worse ill, and what in quality or act is best doth seldom on a right foundation rest, he labors good on good to fix, and owes to virtue every triumph that he knows: who, if he rise to station of command, rises by open means; and there will stand on honorable terms, or else retire, and in himself possess his own desire; who comprehends his trust, and to the same keeps faithful with a singleness of aim; and therefore does not stoop, nor lie in wait for wealth, or honors, or for worldly state; whom they must follow; on whose head must fall, like showers of manna, if they come at all:

Setting a good example for your children takes all the fun out of middle age.

Protect, detect, react and deter. For example, firewalls are only of any real use if you master them and take action when you notice something wrong.

The rise of Islam offers perhaps the most impressive example in world history of the power of words to alter human behavior in sudden, surprising ways.