Many a man’s reputation would not know his character if they met onthe street. (Elbert Hubbard)

The power of accurate observation is frequently called cynicism by those who don’t have it. (George Bernard Shaw)

In theory, there is no difference between theory and practice. But in practice, there is. (Yogi Berra)

It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. (Carl Sagan)