Who said "Sadness is the transition to a lesser perfection."?

This quote is attributed to Spinoza, Baruch.

Sadness is the transition to a lesser perfection. - Spinoza, Baruch

"Sadness is the transition to a lesser perfection."

Spinoza, Baruch Philosophy

Philosopher Dutch-Jewish 1632–1677

"He who has a true love of God must rejoice that God rejoices in himself."

"Fear cannot be without hope nor hope without fear."

"The human body is composed of a great number of parts of diverse nature, each of which requires continual varied replenishment."

"I am, I exist, is necessarily true whenever it is put forward by me or conceived in my mind."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."