The world is my country, all mankind are my brethren, and to do good is my religion.

The only limits that exist are the ones in your mind.

【译文】将知识默记在心，学习时，不感到满足，教人时，不感到倦怠，这三方面我做到了哪些呢？

"The past is always with us, but it doesn't have to define us."

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

Well-being cannot exist just in your own head. Well-being is a combination of feeling good as well as actually having meaning, good relationships and accomplishment.

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.