A function is a rule of correspondence by which when anything is given (as argument) another thing (the value of the function for that argument) may be obtained.
函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。
Reason is， and ought only to be the slave of the passions， and can never pretend to any other office than to serve and obey them.
True progress comes when we challenge the status quo and refuse to settle for 'good enough.'
The circular economy isn't just an ideal—it's a practical business model waiting to be scaled.
The pursuit of mathematical truth is a noble endeavor.
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.
Doing the best at this moment puts in the best place for the next moment.