No sex, age, or condition is above or below the absolute necessity of modesty; but without it one vastly beneath the rank of man.

I had never thought of advertising as a life work, though I had on the side, written some very successful copy.

I do not like the phrase: Never cross a bridge till you come to it. The world is owned by men who cross bridges on their imaginations miles and miles in advance of the procession.

The five steps in teaching an employee new skills are preparation, explanation, showing, observation and supervision.

Before you give up hope, turn back and read the attacks that were made on Lincoln.

My program is to leave the fools to nature. She has diseases with which to deal with them.

When you can dump a load of bricks on a corner lot, and let me watch them arrange themselves into a house - when you can empty a handful of springs and wheels and screws on my desk, and let me see them gather themselves together into a watch - it will be easier for me to believe that all these thousands of worlds could have been created, balanced, and set to moving in their separate orbits, all without any directing intelligence at all.