Still, instead of trusting what their own minds tell them, men have as a rule a weakness for trusting others who pretend to supernatural sources of knowledge.
If, then, I were asked for the most important advice I could give, that which I considered to be the most useful to the men of our century, I should simply say: in the name of God, stop a moment, cease your work, look around you.
But I like the feel of men on things, while they're alive. There's a feel of men about trucks, because they've been handled with men's hands, all of them.
A man should demand much from himself, but little from others. When you meet a man of worth, think how you may attain to his excellence. When you meet an unworthy one, then look within and examine yourself.