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In mathematics, the most profound ideas often arise from the simplest observations.
我很高兴活着,我很高兴成为我自己。
In heaven, all the interesting people are missing.
戒酗酒,酗酒伤神;戒色欲,贪色灭精神;戒美味,美味使精神昏沉;戒过饱,过饱使精神郁闷;戒多动,多动使精神混乱;戒多话,多话损伤精神;戒多忧,多忧使精神郁结;戒多思,思虑多刺激精神;戒久睡,久睡使精神疲倦;戒久读,久读使精神苦劳。
Short-term gains in forestry often lead to long-term losses for the planet.