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。
We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.