《后汉书·列传·郎顗襄楷列传下》
这样三年之内，就有日食，阴侵其阳，臣犯其君，渐渐积累而成。
如是三年，则致日食，阴侵其阳，渐积所致。
Like this, within three years, there will be solar eclipses, yin intruding on yang, ministers offending their emperor, gradually accumulating.