The world is full of beauty, but it is also full of pain and suffering.
The life of a writer is absolutely solitary. He has to be alone to do his work.
The only limit to our realization of tomorrow is our doubts of today.
变化是唯一不变的,而适应能力是蓬勃发展的关键。
Love is the only madness we willingly embrace.
Understanding the limits of computation is as important as understanding the capabilities.