Wisdom is what's left after we've run out of personal opinions.

Every adult should be an expert on teenagers, after spending life's seven longest years being one.

There are people who can talk sensibly about a controversial issue; they're called humorists.

The human body was designed to walk, run or stop; it wasn't built for coasting.

The true measure of your worth includes all the benefits others have gained from your success.

A stepping-stone can be a stumbling block if we can't see it until after we have tripped over it.

The only new ideas that are not subject to our skepticism or suspicion are our own.