The biggest weapon against stress is our ability to choose one thought over another.

The more you give, the more you receive.

There was never a century nor a country that was short of experts who knew the Deity's mind and were willing to reveal it.

在科学中，我们必须接受我们最珍视的理论可能是错误的这种可能性。

思想，在理解和想象的程度上，都是被动的。