预测未来的唯一方法是有能力塑造它。
The only way to predict the future is to have power to shape it.
Money is not a motivating factor... My motivation comes from playing the game I love.
The increase of national wealth depends chiefly upon the increase of production.
我们都同意你的理论是疯狂的。我们之间的分歧在于它是否足够疯狂以至于有可能正确。