I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.

Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.

In business, as in chemistry, the right combination of elements creates something extraordinary.

Nothing is really beautiful but truth, truth alone is lovely.