数学是人类精神最美丽和最强大的创造。
Art should be something that liberates the soul, provokes the imagination and encourages people to go further.
Happiness and unhappiness depend upon the opinion we have of things.
The world is full of obvious things which nobody by any chance ever observes.
智慧胜于邪恶。
孩子们喜欢安静和自由选择。
A writer must be stubborn, must have a vocation of sacrifice, and must accept that literature is a very cruel mistress.