If you're a preacher, you talk for a living, so even if you don't make sense, you learn to make nonsense eloquently.
Nothing is illegal if a hundred businessmen decide to do it, and that's true anywhere in the world.
In a world where change is inevitable and continuous, the need to achieve that change without violence is essential for survival. Influence is like a savings account. The less you use it, the more you've got. Scroll down for sources of quotations and special search engines.