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From the middle of life onward, only he remains vitally alive who is ready to die with life.
中年之后,只有已为告别人生做好准备的人,才能继续在生活中朝气蓬勃。
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
The real giants have been those who have stood for something, who have had a clear idea of what they wanted to say and have said it with force and clarity.
Scientific rigor must never be compromised by commercial pressures.
The cultivation of flowers and trees is the cultivation of the good, the beautiful and the true.