他所具备的是永不衰竭的精力和热情，以及对生物的爱好。
What he did have was inexhaustible energy and enthusiasm and a love of living things.
研究发现，夜里接触过多人造光线可能会改变心情，导致类似抑郁的病症，比如，缺少精力和热情。
Researchers found that too much artificial light at night can alter mood and lead to similar symptoms to depression such as lack of energy and enthusiasm.
面对困难与欢乐的精力和热情，你会发现其实并不困难，因为他们出现，他们将在适当的时候消失。
Confront difficulties with joyful energy and enthusiasm, and you will find the difficulties are really not so hard as they appear and they will disappear in proper time.
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