最成功的公司不只是销售产品，而是解决问题。
Success is the best revenge for all the doubters.
It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.
Successful investing requires ongoing research and learning, as well as continuous self-improvement.
成功的投资需要持续的研究和学习，以及不断提升自己的能力。