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You have to expect things of yourself before you can do them.
你必须先对自己有所期望,然后才能做到。
当我们保护海洋生态系统时,我们最终是在保护人类的生计。
The present is the past rolled up for action, and the past is the present unrolled for understanding.
"The best children's books are the ones that make children think."