如果你想在数学上取得进步，你必须习惯于不舒服。

If you want to go fast, go alone. If you want to go far, go together.

走出心碎的最好方法就是写一本书。

If your tanning process wouldn't withstand a documentary film crew, it's time to rethink your methods.

如果你不愿意适应变化，你就没有准备好领导。

市场总是对的，价格永远不会高到不能买或低到不能卖。