Who said "If you can make someone smile, you've had a good day."?

This quote is attributed to Conan O'Brien.

If you can make someone smile, you've had a good day. - Conan O'Brien

"If you can make someone smile, you've had a good day."

Conan O'Brien Happiness

Talk Show Host American Born 1963 (age 63)

"If you work hard and are kind, amazing things will happen."

"Work hard, be kind, and amazing things will happen."

"The key to a great show is honesty."

"I want to die peacefully in my sleep like my grandfather, not screaming in terror like his passengers."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."