Against the assault of laughter nothing can stand- Mark Twain 

He deserves Paradise who makes his companions laugh. — Koran 

Humor is laughing at what you haven’t got when you ought to have it. — James Langston Hughes 

All I claim to know is that laughter is the most reliable gauge of human nature. — Dostoyevsky 

To truly laugh, you must be able to take your pain and play with it. — Charlie Chaplin 

We cannot really love anybody with whom we never laugh. — Agnes Repplier 

Laugh at yourself first…before anyone else can. — Elsa Maxwell 

God is a comedian playing to an audience too afraid to laugh. — Voltaire 

Humor is a prelude to faith and laughter is the beginning of prayer. — Reinhold Niebuhr (author of the Serenity Prayer) 

If you don’t learn to laugh at trouble, you won’t have anything to laugh at when you’re old. — Edgar Watson Howe 

The art of medicine consists of amusing the patient while nature cures the disease. — Voltaire 

The young man who has not wept is a savage, and the old man who will not laugh is a fool. — George Santayana 

On average, an infant laughs nearly two hundred times a day; an adult, only twelve. -I Ching 

The greatest prayer you could ever pray is to laugh every day. — Ramtha 

What is funny about us is precisely that we take ourselves too seriously. — Reinhold Neibuhr 

When you realize how perfect everything is you will tilt your head back and laugh at the sky. — Buddha 

You don’t stop laughing because you grow old. You grow old because you stop laughing. — Michael Pritchard 

Laughter is the corrective force which prevents us from becoming cranks. — Henri Bergson 

Laughter is a force for democracy. — John Cleese 

If you would not be laughed at, be the first to laugh at yourself. — Benjamin Franklin 

I will try to lighten another’s load this day…with laughter — Anonymous 

We don’t laugh because we’re happy, we are happy because we laugh. — William James 

The size of a man’s understanding can be justly measured by his mirth. — Samuel Johnson 

Even the gods love jokes — Plato 

As soon as you have made a thought, laugh at it. — Lao Tzu 

If you become silent after your  laughter, one day you will hear God also laughing,  — Osho