Behavior is determined by the current stimulus situation and past reinforcement history.
粒子的纠缠不仅仅是一个理论上的奇观;它是宇宙的一个深刻特征,我们才刚刚开始理解。
All good books have one thing in common - they are truer than if they had really happened.
唯一真正的智慧是知道你一无所知。