以下是關於效率的英文名言：
1. Efficiency is intelligence. —— Galileo伽利略
2. Simplicity is the ultimate in efficiency. —— Henry Ford
3. To do things quickly, do everything quickly. —— John Ruskin
4. Time is money, or, to put it more shortly, time is everything. —— Einstein
5. Efficiency comes from using what you have, not from having what you use. —— Horace Mann
6. It is the duty of every man to be efficient. —— Henry Ford
7. It is easier to keep someone satisfied than to win their appreciation. —— an old proverb
請注意，這些名言涉及到效率、智慧、簡潔性、時間和資源的使用等多個方面，都強調了效率的重要性。