The fundamental defect of fathers is that they want their children to be a credit to them.

大自然为我们提供了研究生物学的惊人工具；我们只需要知道去哪里寻找。

集中注意力的能力对于学习、记忆和复杂任务的表现至关重要。

Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.

一切皆有可能，只要你有勇气去追求。