The only way to learn mathematics is to do mathematics.
各位，我们的四大支柱是什么？嘲弄，恐怖，颓废，排泄。
在白天对什么都不动感情是极为容易的， 但在夜晚就是另外一回事。
I'm only rich because I know when I'm wrong... I basically have survived by recognizing my mistakes.
Integrity is the foundation of all meaningful relationships.
The true cost of unsustainable fishing is far greater than what we see on the surface.
Now some advantages particular to this age are not to be denied. Boredom seems to have been vanquished. There is always something to do, but hasn’t this translated into a perpetual distraction in our lives.