The most challenging designs often lead to the most rewarding results.
最具挑战性的设计往往会带来最有价值的成果。
有时候，最难的事情和正确的事情是同一件事。
Everyone you meet is fighting a battle you know nothing about. Be kind. Always.
The key to successful investing is to have a long-term perspective, a disciplined approach, and a clear understanding of the market and the risks involved.