You know there's nothing like seeing the smile on my kids' faces. Laughing together. Playing. It's the best.

You see with me when I'm nervous I smile and laugh.

First I want to pay tribute to Diana myself. She was an exceptional and gifted human being. In good times and bad she never lost her capacity to smile and laugh nor to inspire others with her warmth and kindness. I admired and respected her - for her energy and commitment to others and especially for her devotion to her two boys.

When onstage I always try to take my audience through as many emotions as I possibly can. I want them to go from laughter to tears be shocked and surprised and walk out the door with a renewed sense of themselves - and maybe a smile.

I love a girl that can make me laugh. I am not really a laugh-at-things type of guy and I don't smile and laugh all the time... But if a girl can make me laugh... I'm in love!!!!

Laughter is regional: a smile extends over the whole face.

Joy's smile is much closer to tears than laughter.

The flower in the vase smiles but no longer laughs.

Laughter is day and sobriety is night a smile is the twilight that hovers gently between both more bewitching than either.

While most of us know that we feel better after a good hearty laugh science in many cases is yet to prove why.