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科学以冒险的精神前进,总是寻求未知。
Science moves with the spirit of an adventure, always seeking the unknown.
Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.
"It's important to write about difficult subjects in a way that children can understand."