释义：过于强硬的弓弦容易断裂，过于锋利的刀口容易受损。惹祸往往是因为多嘴多舌，招致灾祸多是因为心肠狠毒。
Sustainability is not an option; it's a necessity for the future of our planet.
The only way to keep improving is to stay hungry.
I believe in the power of storytelling. I think it's one of the most powerful tools we have to connect with each other.
The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.
The only limits you have are the ones you set for yourself.
