Never stop questioning how things can be done better—complacency is the enemy of progress.
永远不要停止质疑如何做得更好——自满是进步的敌人。
在对人类心理史的研究中，这一事实给人以深刻印象：心智的成长就是意识范围的扩展，前进的每一步都是伴随着极度痛苦和艰难的成就。几乎可以说，人们最最痛恨的就是放弃潜意识，即使所放弃的仅是极微小的一点潜意识。试图引入新观念的人对此深有体会。
The challenge is to make the invisible visible.
Have you given any thought to your future？
Sometimes, the best way to help someone is just to be near them.
Understanding the cosmos requires transcending the senses, reaching deeper levels through rational inference and contemplation.