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The more attentive a child is, the more calm he will get from his work and the more disciplined or regular he will be from his heart.
孩子越能够专心,就越能从工作中得到平静,就越能发自内心地纪律或规则。
History is the memory of a nation.
The only existence we conceive is the existence of sensible things.
Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
伟大的科学需要聪明的头脑和谦逊的心。