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Chemistry is the bridge between the microscopic world and the reality we see every day.
交易成功的关键是有一个清晰的计划并坚持执行。
生活就像一首美妙的音乐,只有歌词是错乱的。
Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.