我只和自己竞争，不和别人竞争。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
大国政治的悲剧在于它导致冲突和战争。
I think it's important to be able to take yourself lightly.
Unity is not about uniformity; it's about finding common purpose amid diversity.