We discover that all human beings are just like us, so we are able to relate to them more easily. That generates a spirit of friendship in which there is less need to hide what we feel or what we are doing.
Quantum Mechanics and General Relativity are both accepted as scientific fact even though they're mutually exclusive. Albert Einstein spent the second half of his life searching for a unifying truth that would reconcile the two.
The amount of satisfaction you get from life depends largely on your own ingenuity, self-sufficiency, and resourcefulness. People who wait around for life to supply their satisfaction usually find boredom instead.
Have courage for the great sorrows of life and patience for the small ones; and when you have laboriously accomplished your daily task, go to sleep in peace.