唯一存在的限制是你脑海中的那些。
The only limits that exist are the ones in your mind.
Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom, in the pursuit of truth as in the endeavour after a worthy manner of life.
所以1962年那天早上我告诉自己:让其他人都说你的想法疯狂吧……继续前进。不要停下来。甚至不要想停下来,直到你到达那里,也不要过多考虑“那里”是哪里。无论发生什么,都不要停下来。