数学的本质在于它的自由。
过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。
The search for meaning is a futile endeavor.
你在组织中爬得越高,你的问题就越行为化。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."