
Kulturphilosophie (1923), Vol. 2 : Civilization and Ethics
Reverence for Life (1969)
Kulturphilosophie (1923), Vol. 2 : Civilization and Ethics
Lecture XXX, Atheism alone a Positive View
Lectures on the Essence of Religion http://www.marxists.org/reference/archive/feuerbach/works/lectures/index.htm (1851)
“The man who views the world at 50 the same as he did at 20 has wasted 30 years of his life.”
Interview in Playboy magazine (November 1975)