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A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
The mind's work is never done, because adaptation is never complete.
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
The market is always changing, and so should your strategies.
The act of reading is an act of resistance against forgetting.