Life is about taking risks. If you don't take risks, you'll never know what you're capable of.
我不害怕做自己。
Emotions are not just reactions; they are also predictors of our future behavior.
最好的科学家是那些在自然的复杂性面前保持谦逊的人。
解释：向外物游览就要要求外物的完备，向自己内心求取，则能充实完善自身。
The most important political development of the last half century has been the spread of liberal democracy around the world.