心理学家必须避免一切形式的心理物理学。
教育者有责任不保持中立。
作家必须是自由的捍卫者，即使以他自己的舒适为代价。
父亲过于慈爱，不忍心鞭策子女，那么家里就容易出现品德败坏的子女。
The true value of coal lies in how we extract and use it responsibly.
The mining industry must evolve to meet the demands of a changing world, or it will be left behind.
每件负面的事–压力、挑战–都是一个让我提升的良机。
Life is not like cooking, where you can prepare all the ingredients before you start cooking.
The journey of an object can tell us more than the object itself.
A great novel is one that makes us see the world with new eyes.
The most profound ideas in mathematics often arise from the simplest observations.