掌权者总是从弱小的平民手中掠夺权力。这就是他们积累权力,成为统治者的方式。
采矿创新不是可选的——它对生存和发展至关重要。
Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.