Mathematics is not a spectator sport; to understand it, one must engage with it actively.
No need to hurry. No need to sparkle. No need to be anybody but oneself.
并非不可能,未来还会发明出更多辅助视觉的工具,它们超越现有工具的程度,就像现有工具超越肉眼一样。
英雄和恶棍之间的界限常常因视角而模糊。
Some people go to priests; others to poetry; I to my friends.