After people have repeated a phrase a great number of times, they begin to realize it has meaning and may even be true.

The only true measure of success is the ratio between what we might have done and what we might have been on the one hand, and the thing we have made and the things we have made of ourselves on the other.

The market is fast-moving, fast-growing. Things that are true today may not be true tomorrow.

Propaganda, to be effective, must be believed. To be believed, it must be credible. To be credible, it must be true.

If you have an anecdote from one source, you file it away. If you hear it again, it may be true. Then the more times you hear it the less likely it is to be true.

If 'The New York Times' says it, it must be true.