When I talk of the purpose of life, I am thinking not only of human life, but of all life on Earth and of the life which must exist upon other planets throughout the universe.
当我谈到生命的目的时，我不仅想到了人类的生命，而且想到了地球上所有的生命以及宇宙中其他行星上必须存在的生命。
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Human
Thinking
Purpose