Do something every day that you don't want to do; this is the golden rule for acquiring the habit of doing your duty without pain.

About Paul Tillich

Paul Johannes Tillich (; German: [ˈtɪlɪç]; August 20, 1886 – October 22, 1965) was a German-American Christian existentialist philosopher, religious socialist, and Lutheran theologian who was one of the most influential theologians of the twentieth century. Tillich taught at German universities before immigrating to the United States in 1933, where...

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