如果一切都很完美，你就永远学不到东西，也永远不会成长。
If everything was perfect, you would never learn and you would never grow.
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
The true value of a forest cannot be measured in board feet alone.
The space between things is often more important than the things themselves.
电影的美在于它让我们能够探索人类情感的复杂性。
We are in the business of helping our customers succeed, not just selling them products.