To understand a program you must become both the machine and the program.
要理解一个程序，你必须同时成为机器和程序。
Leadership means making tough decisions today for a better tomorrow.
The most profound truths are often the ones we deny.
如果你不去追求你想要的，你将永远得不到它。
伟大不是一种技能，而是一种态度。
No man should judge unless he asks himself in absolute honesty whether in a similar situation he might not have done the same.
The anarchic nature of the international system compels states to prioritize their own survival above all else.