我们可以允许卫星、行星、太阳、宇宙，甚至整个宇宙系统都受法则支配，但最小的昆虫，我们却希望它是由特殊行为一次性创造出来的。
人类的增长速度往往超过其生存手段的增长速度。
万物起源的奥秘对我们来说是无法解决的；而我必须满足于做一个不可知论者。
生存下来的不是最强壮的物种，也不是最聪明的物种，而是对变化反应最迅速的物种。
The very essence of instinct is that it's followed independently of reason.
本能的本质在于它独立于理性而被遵循。
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
纠正一个错误与建立一个新的真理或事实同样有益，有时甚至更好。
A moral being is one who is capable of reflecting on his past actions and their motives.
有道德的人能够反思自己过去的行为及其动机。
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
道德文化的最高阶段是当我们认识到应该控制自己的思想时。
We stopped looking for monsters under our bed when we realized that they were inside us.
当我们意识到怪物就在我们内心时，就不再在床下寻找它们了。
Ignorance more frequently begets confidence than does knowledge.
The love for all living creatures is the most noble attribute of man.
对所有生物的爱是人类最高尚的品质。
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.
在人类（和动物）的漫长历史中，那些学会最有效合作和即兴发挥的人才能胜出。