创业的路上，困难和挑战是不可避免的，但正是这些困难和挑战让我们变得更强大。
On the road of entrepreneurship, difficulties and challenges are inevitable, but it is these difficulties and challenges that make us stronger.
我喜欢对一堵墙说话，世界上只有它不会反驳我。
词语有重量，而故事有引力。
Science is not just about facts, but about understanding the underlying principles that govern those facts.
If I had to live my life over again, I would live it as a trader of goods.
You must be the change you wish to see in the world.
No arts； no letters； no society； and which is worst of all， continual fear and danger of violent death； and the life of man， solitary， poor， nasty， brutish， and short.