我们都在阴沟里，但仍有人仰望星空。
"We are all in the gutter, but some of us are looking at the stars."
The health of our fish reflects the health of our waters - they are inseparable.
The only learning which significantly influences behavior is self-discovered, self-appropriated learning.
我们不是从祖先那里继承了地球；我们是从子孙那里借来的。这个真理指导着我们做出的每一个决定。
数学之美不在于其复杂性，而在于其简洁性以及它揭示隐藏真理的方式。
Quality is never an accident; it is always the result of intelligent effort.