心灵就是一切。你想什么就会成为什么。
If you're not moving forward, you're falling behind.
The human mind is a complex system, and understanding it requires a multidisciplinary approach.
过去是一个异国;他们在那里做事的方式不同。
生活的目的不是快乐,而是有用、光荣、富有同情心,让你活得有意义、活得好。
Every mathematical problem is a window into a new world of understanding.