Fear of change is the biggest barrier to progress in aquaculture. Embrace the unknown, and you'll find new opportunities.
对变化的恐惧是水产养殖进步的最大障碍。拥抱未知，你会发现新的机会。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
There is no end on the path to seeking wisdom.
"The only thing necessary for the triumph of evil is for good men to do nothing."
The thing that we are trying to do at Facebook, is just help people connect and communicate more efficiently.