Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night, so don't give up today.
今天很残酷,明天更残酷,后天很美好,但绝对大部分是死在明天晚上,所以每个人不要放弃今天。
在研究自然时,想象力必须受到逻辑和实验的严格规则指导。