The psychologist must avoid all teleological interpretations.

面对未知的唯一方式是拥抱它。

History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Experiments on plant hybridization require the most careful attention and great patience.

统治者的暴政和群众的暴政同样令人生畏。