In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed

Life swings like a pendulum backward and forward between pain and boredom.

What would life be if we had no courage to attempt anything?

Every day brings a chance to live free of regret and with as much joy, fun, and laughter as you can stand.

It is only because of problems that we grow mentally and spiritually.

Doubt must be no more than vigilance, otherwise it can become dangerous.

Wrinkles are engraved smiles.

I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.

As far as we can discern, the sole purpose of human existence is to kindle a light of meaning in the darkness of mere being.

He had the look of one who had drunk the cup of life and found a dead beetle at the bottom.

What is that you express in your eyes? It seems to me more than all the words I have read in my life.

There's nowhere you can be that isn't where you're meant to be...

The knowledge of oneself will preserve that person from vanity.

A wise girl kisses but doesn't love, listens but doesn't believe, and leaves before she is left.

Be thankful that you have a life, and forsake your vain and presumptuous desire for a second one.

Life has got to be lived-that's all that there is to it.

Being a hero is about the shortest-lived profession on earth.

For life in general, there is but one decree: youth is a blunder, manhood a struggle, old age a regret.

My reading of history convinces me that most bad government results from too much government.

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.

Live simply so others may simply live.