有些无限比其他无限更大。
"Some infinities are bigger than other infinities."
我知道必须让孩子们有所专心,怠慢乃是孩子们最可怕的危险。
心理学关注心理生活的“是什么”和“怎么样”,而非“为什么”。
In physics, we often find that the most beautiful solutions emerge from the messiest problems.