If time travel is possible, where are the tourists from the future?

解释：身居高位的人容易骄纵自满，处于安乐生活中的人容易奢侈。

"The only thing that is truly endless is the human journey."

Leadership is about making tough decisions today that will shape a better tomorrow.

成功不是终点，失败也非致命，重要的是继续前进的勇气。