希腊人说,人类世纪分为黄金、白银、青铜和黑铁四个时代。每个时代结束,人类因堕落腐朽会受到神的惩罚,从而毁灭,又重生。三体人说,三颗太阳毫无规律的运动,让“恒纪元”与“乱纪元”交错,文明在数百次的劫难中延续。地质学家说,自显生宙以来,生命至少经过五次大灭绝。 The Greeks said that the human century is divided into gold, silver, bronze and black iron four eras. At the end of each age, mankind is degenerated and corrupted by the punishment of God, thus destroying and rebirth. The three people said that the movement of the three sun has no regularity, so that “Heng era” and “chaotic era” staggered, civilization in the hundreds of times the continuation of the disaster. Geologists say that since the Epoch, life has undergone at least five extinctions.