"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."
"I used to suffer particularly because the poor animals must endure so much pain and want. The sight of an old, limping horse being dragged along by one man while another man struck him with a stick he was being driven to the Colmar slaughterhouse - haunted me for weeks."
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Source: Albert Schweitzer (1932). “Civilization and ethics. 3d. ed”
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