Let us speak, though we show all our faults and weaknesses, - for it is a sign of strength to be weak, to know it, and out with it - not in a set way and ostentatiously, though, but incidentally and without premeditation.

Some dying men are the most tyrannical; and certainly, since they will shortly trouble us so little for evermore, the poor fellows ought to be indulged.

There is no dignity in wickedness, whether in purple or rags; and hell is a democracy of devils, where all are equals.

To know how to grow old is the master work of wisdom, and one of the most difficult chapters in the great art of living.

To study consumer behavior is to explore human nature at its most fundamental level using the modern world as its backdrop.

My normal life is I love to travel, and I travel as often as I can. I don't stay in one place too long. But I'm an avid reader, I guess you could say: I'm a bit of a bookworm.

Each day as I travel through downtown Tucson, I am amazed at how quickly the most ancient of human behaviors have changed. For as long as there have been Homo sapiens - roughly 200,000 years - people have filled their lives principally with two activities: talking directly with other people, and doing physical things.

I didn't start out angry. I started out a young man wanting adventure.