Quote by Jean d'Alembert

"Doubt is an uncomfortable condition, but certainty is a ridiculous one."

"The greatest mathematicians, like the greatest poets, are men of imagination."

"I believe in God, but I do not believe that God has any of the properties which theologians ascribe to him."

"The true method of knowledge is experiment."

"A man's home is his castle."

"Family is everything to me."

"Life's greatest treasure is the love of family."

"A woman's place is in the home... making it a happy one."