The power of words is that they can create worlds.
One man's constant is another man's variable.
自然在其现象中向我们展示了无限的多样性，但也展示了令人钦佩的简单性。
We stand at the threshold of a new era in biology.
人之所以为人，是应该充满精力、能够自我悔改、自我反省、自我成长，而不是抱怨他人。