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.

The most successful companies don't just sell products - they sell experiences and emotions.

Reform requires courage, but even more wisdom.

Every day is a new beginning.

"Language is the only homeland."

The genetic code is a testament to the complexity and elegance of biological systems.

在数学的世界里，每个问题都会引出另一个问题，创造出一个连接所有科学领域的无尽知识网络。