Who said "I want to speak sense, but it may come out as nonsense."?

This quote is attributed to Denis Diderot.

I want to speak sense, but it may come out as nonsense. - Denis Diderot

"I want to speak sense, but it may come out as nonsense."

Denis Diderot Humor

Philosopher Writer French 1713–1784

"The world is for those who think."

"Man will never be free until the last king is strangled with the entrails of the last priest."

"Nothing can be believed unless it is seen."

"I am convinced the mind can be developed to the point where success is inevitable."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."