Confidence comes not from always being right, but from not fearing to be wrong.
Your time is limited, so don’t waste it living someone else’s life.
"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."
The mind, both in so far as it understands, and in so far as it imagines, is passive.