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A Jewish man with parents alive is a fifteen-year-old boy, and will remain a fifteen-year-old boy until they die!

However difficult life may seem, there is always something you can do, and succeed at. It matter that you don’t just give up.

I'm an introvert... I love being by myself, love being outdoors, love taking a long walk with my dogs and looking at the trees, flowers, the sky.

Be a good ancestor. Do something a future generation will thank you for. A simple thing is to plant a tree.

數學推理可以相當系統地看作是兩種能力的結合運用，我們可以稱之為直覺和獨創性。