The balance of power is the only way to maintain peace in the international system.
梦想会成真;如果没有这种可能性,大自然就不会激励我们去拥有它们。
Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.
Your work is going to fill a large part of your life, so make sure it's something you love doing.