No hay nada más peligroso que una mujer que sabe lo que quiere y no tiene miedo de decirlo.
The best way to help people is to give them the freedom to choose while gently steering them in the right direction.
The only thing that can make you a winner is your attitude.
科学是关于后果的知识,以及一个事实对另一个事实的依赖。
You can't start the next chapter of your life if you keep re-reading the last one.
Reinforcement is the central factor in the acquisition of new behavior patterns.