安全不是产品，而是一种能力。
Security is not a product, but a capability.
The strongest is never strong enough to be always the master unless he transforms strength into right and obedience into duty.
我总是被那些复杂且有深度的角色所吸引。
为自己的原则而战比实践这些原则要容易。
孩子独立的智能发展无可限量，它直接依赖孩子心智的力量，而不仅靠导师的工作。
The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
