Wise Men Learn By Others' Harms, Fools

Teach Your Child To Hold His Tongue; He'll Learn Fast Enough To Speak.

And Where Is The Prince Who Can Afford To So Cover His Country With Troops For Its Defense, As That Ten Thousand Men Descending From The Clouds, Might Not In Many Places Do An Infinite Deal Of Mischief, Before A Force Could Be Brought Together To Repel Them?

The Ancients Tell Us What Is Best; But We Must Learn Of The Moderns What Is Fittest.

... There Is Much Truth In The Italian Saying, 'make Yourselves Sheep, And The Wolves Will Eat You.'

The Problem With Doing Nothing Is Not Knowing When You're Finished.