Psychological theories must pass the test of practical experience.
心理学理论必须通过实践经验的检验。
对于未知事物,宁愿相信其存在,以免疏忽大意。
The interplay between quantum mechanics and gravity is the greatest puzzle of our time, and solving it will unlock the secrets of the universe.
数学是解开宇宙秘密和理解支配它的基本法则的关键。
创新的关键在于思想的多样性。