I’m a catalyst for change. You can’t be an outsider and be successful over 30 years without leaving a certain amount of scar tissue.
在数学中,最简单的问题往往导致最深刻的发现。
心理学的目的是解释我们如何设法生活。
The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.