"If you are not skillful enough to sketch a man jumping out of a window in the time it takes him to fall from the fourth storey to the ground, you will never be able to produce great works."

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These illustrations suggest four general maxims[...]. The first is: remember that your motives are not always as altruistic as they seem to yourself. The second is: don't over-estimate your own merits. The third is: don't expect others to take as much interest in you as you do yourself. And the fourth is: don't imagine that most people give enough thought to you to have any special desire to persecute you.

— Bertrand Russell