I think that the most important thing in life is to be true to yourself.
书籍是最安静且最恒久的朋友。
在数学中,提出问题的艺术必须比解决问题更有价值。
Tell the cook of this restaurant with my compliments that these are the very worst sandwiches in the whole world, and that when I ask for a watercress sandwich I do not mean a loaf with a field in the middle of it.