The invention of the cotton gin was the result of necessity and observation.

Irony is the gaiety of reflection and the joy of wisdom.

To light a candle is to cast a shadow.

In chemistry, the smallest change can lead to the biggest revolutions.

Happiness requires both pleasure and purpose - neither alone is sufficient.

To solve a problem, one must first understand its nature and then find the right tools to tackle it.

The best way to be successful is to be persistent.

化学和生物学之间的相互作用让生命如此迷人。

"The jungle is a place where you can lose yourself and find yourself at the same time."

你越了解自己，就越能对他人所见保持耐心。