Psychology must be based on observable phenomena, not abstractions.
心理学必须基于可观察的现象,而非抽象。
长城汽车的目标是成为全球SUV领导者。
You have to be willing to fail in order to succeed.
理论物理学之于数学,犹如雕塑之于大理石块。
The price of freedom is eternal vigilance.