Physical is not the only criterion of truth: there are also psychic truths which can neither be explained nor proved nor contested in any physical way.
“物质”不是唯一的事实标准：还存在心理事实，而且无法以任何的物质方式来解释、证明、或辩驳它。
乐观对于有意义的生活是无价的。坚信未来是积极的，你就可以投身于比你更伟大的事业中。
The mind is the most important thing in tennis.
Independence I have long considered as the grand blessing of life, the basis of every virtue.
生活是一系列小戏剧，在更大的戏剧阴影下上演。
检验统计假设的问题是估计的一般问题中不可分割的一部分。