「快樂是什麼？就是力量增加、克服阻力的感覺。」“What is happiness? The feeling that power increases, that resistance is overcome.”

“What is happiness? The feeling that power increases, that resistance is overcome.”
– Friedrich Nietzsche, Philosopher

「快樂是什麼？就是力量增加、克服阻力的感覺。」– 弗里德里希‧尼采 (哲學家)
resistance (v.) 反對，抗拒。例：Rebel militias have put up strong resistance. (反抗游擊軍做出頑強的反抗。)
弗里德里希‧尼采 (1844 – 1900) 是德國哲學家，對於宗教、道德、文化、哲學及科學等領域，都有批判性的著作。尼采對於後代哲學的發展影響極大，尤其是存在主義與後現代主義。