We should cultivate indifference to everything.
I've learned that you can't control everything in life, and that's okay.
"The more you try to understand the truth, the less you know."
One of the strongest motives that lead men to art and science, is escape from everyday life with its painful crudity and hopeless dreariness, such men make this cosmos and its construction in the pivot of their emotional life, in ordered to find the peace and the security, which they cannot find in the narrow whirlpool of personal experience.