The art of cryptography is to make the cost of breaking the system exceed the value of the information protected.
Art is the only way to escape the horror of existence.
随着年龄增长,我越发意识到自己知之甚少。
Faith is the sense of life, that sense by virtue of which man does not destroy himself, but continues to live on.
We do not learn from experience... we learn from reflecting on experience.