The balance of power is the only way to maintain peace in the international system.

I don't follow trends. I set them.

I have lost the immortal part of myself, and what remains is bestial.

Profitability and responsibility are not opposites; they are two sides of the same coin.

The future of drones is not to replace humans, but to help them do their jobs better.

The writer is either a practicing recluse or a delinquent, guilt-ridden one.

正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断挖掘和钻研。