外部条件影响下生命形式的发展是一个极其重要的课题。
The development of the vital forms under the influence of external conditions is a subject of the highest importance.
Never put off till tomorrow what you can do the day after tomorrow.
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of universal history.
书是一面镜子：如果一只猿猴往里看，不太可能有一位使徒往外看。
骄傲的核心特征是敌意——对上帝的敌意和对同胞的敌意。
