马克斯·普朗克（全名：马克斯·卡尔·恩斯特·路德维希·普朗克，Max Karl Ernst Ludwig Planck，1858年4月23日—1947年10月4日），出生于德国荷尔施泰因，物理学家、量子力学重要创始人之一，普鲁士科学院院士，美国艺术与科学院院士，美国国家科学院外籍院士，1918年诺贝尔物理学奖获得者，生前是柏林大学名誉教授 。
A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.
Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are part of nature and therefore part of the mystery that we are trying to solve.
Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.
