Who said "The greatest discovery is that of oneself."?

This quote is attributed to Leibniz, Gottfried.

The greatest discovery is that of oneself. - Leibniz, Gottfried

"The greatest discovery is that of oneself."

Leibniz, Gottfried

Philosopher-Mathematician German 1646–1716

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

"The present is pregnant with the future."

"Nature never makes jumps."

"God is in the details."