"Be careful when you fight the monsters, lest you become one."

"Talking much about oneself can also be a means to conceal oneself."

"Convictions are the more dangerous enemy of truth than lies."

"Although the most acute judges of the witches and even the witches themselves, were convinced of the guilt of witchery, the guilt nevertheless was non-existent. It is thus with all guilt."

"Excessive productivity can bring the most gifted man almost to madness."

"One repays a teacher badly if one always remains nothing but a pupil."

"Things could always be worse; for instance, you could be ugly and work in the Post Office."

"There cannot be a crisis next week. My schedule is already full."

"Parents can only advise their children or point them in the right direction. Ultimately people shape their own characters."

"When a man meets catastrophe on the road, he looks in his purse, but a woman looks in her mirror."

"Truth, after all, wears a different face to everybody, and it would be too tedious to wait till all were agreed."

"Friendships that have stood the test of time and change are surely best."