When life hands you a lemon, say, 'Oh yeah, I like lemons! What else ya got?

In the end, it's not the years in your life that count. It's the life in your years.

I've learned that even when I have pains, I don't have to be one.

A man who dares to waste one hour of life has not discovered the value of life

Wrinkles should merely indicate where the smiles have been.

I never think of the future - it comes soon enough.

It is easier to influence strong than weak characters in life.

Certain signs precede certain events.

Each person must live their life as a model for others.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

We must all obey the great law of change. It is the most powerful law of nature.

Time ripens all things; no one is born wise.

He who kisses joy as it flies by will live in eternity's sunrise.

A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.

To live is to be musical, starting with the blood dancing in your veins. Everything living has a rhythm. Do you feel your music?

Life can be pulled by goals just as surely as it can be pushed by drives.

Insanity in individuals is rare - but in groups, parties, nations, and epochs, it is the rule.

Old age is by nature rather talkative.

The natural world is the greatest source of excitement. The greatest source of visual beauty. It is the greatest source of so much in life that makes life worth living.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

It's only terrible to have nothing to wait for.