Who said "The best of all possible worlds exists in God's mind."?

This quote is attributed to Gottfried Leibniz.

The best of all possible worlds exists in God's mind. - Gottfried Leibniz

"The best of all possible worlds exists in God's mind."

Gottfried Leibniz

Mathematician and Philosopher German 1646–1716

"There is nothing in the intellect that was not first in the senses, except the intellect itself."

"Music is the pleasure the human mind experiences from counting without being aware that it is counting."

"The present is big with the future."

"Nature is not subject to injustice."