当我们恋爱时，我们最有活力。
"We are most alive when we're in love."
Learning is a process of creating and strengthening neural pathways.
"Sometimes you have to lie. But to yourself you must always tell the truth."
Hard work, under the old system, meant long hours, little rest, and poor pay. Under the new system, it means a fair day's work for a fair day's pay.
物理学家必须拥有生动的想象力，但必须受到严格逻辑的约束。
