最好的创新往往是对最顽固问题的最简单解决方案。
The best innovations are often the simplest solutions to the most persistent problems.
预测未来的最好方法是创造未来。
接人待物要平和而有节操,处理事情要明白而果断,识理要正直诚实而通达。
行为主义者问:为什么我们不把可观察的东西作为心理学的真正领域?
物理学的美在于它能够用简单而优雅的理论解释复杂的事物。
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
When you lend somthing pretend you are gifting. If it is returned, you'll be surprised and happy