Who said "All is for the best in this best of all possible worlds."?

This quote is attributed to Voltaire.

All is for the best in this best of all possible worlds. - Voltaire

"All is for the best in this best of all possible worlds."

Voltaire

Writer Philosopher French 1694–1778

"It is dangerous to be right when the government is wrong."

"Life is thickly sown with thorns, and I know no other remedy than to pass quickly through them."

"The perfect is the enemy of the good."

"Judge a man by his questions rather than by his answers."