The only limits you have are the ones you set for yourself.
While statistics say that 95 percent of all young men who enter business fail, this should not discourage any one. Go out with the spirit “sink or swim,”and a person will not sink.
我知道要达到顶峰需要付出多少努力，但保持在那里需要更多。
Curiosity is the driving force behind all great mathematical discoveries.
人们常只想到自己的需要，而没考虑自己的能力。王朔语录
Sustainability is not a trend; it's a responsibility we all share.