Sir Isaac Newton had stated, and mathematical computations had proved his words, that a mechanical flying-machine was an impossibility. 鲁伯特·萨金特·荷兰.历史性发明.
I have no great faith in political arithmetic, and I mean not to warrant the exactness of either of these computations. 亚当·斯密.国富论.
Computations based upon this experiment show that the earth receives daily from the sun the equivalent of 341,000,000,000 horse power--an amount inconceivable to the human mind. 伯莎M.克拉克.科学通论.