Happiness

A Guide to the Good Life argues that Stoicism can be rebuilt as a modern life strategy through negative visualization, the dichotomy of control, voluntary discomfort, and the cosmic view from above.

Flow argues that optimal experience arises when challenge and skill meet at the edge of our abilities, creating an autotelic, immersive state where time falls away.

You cannot avoid suffering, only choose what kind you are willing to endure, so pick problems worth caring about and deliberately let go of the rest.