"Light is the key. Without light, there is no image."
The more you sweat in training, the less you bleed in combat.
The beauty of the universe lies in its complexity and simplicity.
译文：读过的旧书要反复地阅读，读透读深才能知道书中的道理。赏析：经典的好书必须要反复阅读，常读常新，读懂书中的内容就会受益匪浅。