We don't inherit the land from our ancestors; we borrow it from our children.
Leadership means making tough decisions today that will benefit future generations.
The boundary between physics and mathematics is not as clear-cut as one might think.
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。
我们不是从祖先那里继承土地;我们是从子孙那里借来的。
You can't change the past, but you can shape the future.
The novel is the most complete and profound expression of human liberty.