智者从敌人那里学到的比愚者从朋友那里学到的还要多。
"The wise man learns more from his enemies than the fool from his friends."
The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.
只有通过苦难才能理解生命的深度。