Time Is Relative; Its Only Worth Depends

The Longing To Behold This Pre-established Harmony [of Phenomena And Theoretical Principles] Is The Source Of The Inexhaustible Patience And Perseverance With Which Planck Has Devoted Himself ... The State Of Mind Which Enables A Man To Do Work Of This Kind Is Akin To That Of The Religious Worshiper Or The Lover; The Daily Effort Comes From No Deliberate Intention Or Program, But Straight From The Heart.

Weak People Revenge. Strong People Forgive. Intelligent People Ignore.

The Belief In An External World Independent Of The Perceiving Subject Is The Basis Of All Natural Science. Since, However, Sense Perception Only Gives Information Of This External World Or Of "physical Reality" Indirectly, We Can Only Grasp The Latter By Speculative Means. It Follows From This That Our Notions Of Physical Reality Can Never Be Final. We Must Always Be Ready To Change These Notions - That Is To Say, The Axiomatic Basis Of Physics - In Order To Do Justice To Perceived Facts In The Most Perfect Way.

When A Man Points A Finger At Someone Else, He Should Remember That Three Of His Fingers Are Pointing At Himself. Do Not Worry About Your Difficulties In Mathematics; I Can Assure You That Mine Are Still Greater.

Few People Are Capable Of Expressing With Equanimity Opinions Which Differ From The Prejudices Of Their Social Environment. Most People Are Even Incapable Of Forming Such Opinions.