"If you don't like your own character there may be a new one ready-made and waiting for you. The snake sheds its skin with impunity, relying on the same nature which you rely on."

"Hope is both the earliest and the most indispensable virtue inherent in the state of being alive. If life is to be sustained hope must remain, even where confidence is wounded, trust impaired."

"To succeed in the world, it is much more necessary to possess the penetration to discern who is a fool, than to discover who is a clever man."

"The philosophers have only interpreted the world, in various ways; the point is to change it."

"True friendship is seen through the heart not through the eyes."

"Things have never been more like the way they are today in history."

"If we knew what it was we were doing, it would not be called research, would it?"

"Before you were conceived I wanted you. Before you were born I loved you. Before you were here an hour I would die for you. This is the miracle of life."

"Blind belief is dangerous."

"A memorandum is written not to inform the reader but to protect the writer."

"Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy."

"It takes in reality only one to make a quarrel. It is useless for the sheep to pass resolutions in favour of vegetarianism while the wolf remains of a different opinion."