自由是做法律允许的事情的权利。

It's so much darker when a light goes out than it would have been if it had never shone.

Never stop learning; the world is always changing.

可持续性不是一种选择；它是农业前进的唯一道路。

解释：称赞人不夸大他好的地方，那么听的人心里不痛快；诽谤人不增加他的过错，那么听的人心里不满足。

爱不是占有，而是欣赏。

"Love is stronger than fear."

"The past is always tense, the future perfect."

When introduced to someone make eye contact and count to 4. You’ll both remember each other.

志村簇的研究证明了数学的统一性。