It is not unlikely, but that there may be yet invented several other helps for the eye, as much exceeding those already found, as those do the bare eye.
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。
当没有人相信你的时候，你必须相信自己。