Time ripens all things; no one is born wise.

Don't cry for a man who's left you - the next one may fall for your smile.

The historian looks backward. In the end he also believes backward.

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.

All that is not eternal is eternally out of date.

Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.

The essence of life is statistical improbability on a colossal scale.

No passion in the world is equal to the passion to alter someone else's draft.

Life is an ongoing process of choosing between safety (out of fear and need for defense) and risk (for the sake of progress and growth). Make the growth choice a dozen times a day.

Nothing exists except atoms and empty space; everything else is opinion.

Sometimes you have to be apart from people you love, but that doesn't make you love them any less. Sometimes you love them more.

Life is not an exact science, it is an art.

Nobody realizes that some people expend tremendous energy merely to be normal.

Is it progress if a cannibal uses a fork?

The lessons of the past are ignored and obliterated in a contemporary antagonism known as the generation gap.

Shame is an ornament to the young; a disgrace to the old.

Courage is a kind of salvation.

Nothing in life is more remarkable than the unnecessary anxiety which we endure, and generally create ourselves.

The future starts today, not tomorrow.

When all life is seen as divine, everyone grows wings.

I have no idea what's awaiting me, or what will happen when this all ends. For the moment I know this: there are sick people and they need curing.