为了如今仰望太空，注视月球和遥看繁星的人们，我们发誓，我们决不允许太空被那些敌对国家（原文为旗帜）所征服，我们会看到自由与和平的旗帜在飘扬。（1962年我们选择登月演说）
A good film is one that leaves the audience with more questions than answers.
Quiet people have the loudest minds.
The best time to plant a tree was 20 years ago. The second best time is now.
When you do something best in life, you don’t really want to give that up – and for me it’s tennis.
"I love competition. I love to push myself."