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释义:男女都守持正固(坚持正确的、忠诚不改变),是天地间的大道。家人中有严君,严君是对父母的称谓。父亲遵守父道,儿子遵守子道,兄遵兄道,弟遵弟道,丈夫守夫道,妻子遵守妇道,则家道正固;家道正固则天下就会安定。
生物学的魅力在于它的复杂性和解决方案的优雅。
The only person who is educated is the one who has learned how to learn and change.