The only thing I'm afraid of is bees.
译文:性只有一个:从它的形体方面来说叫做天,从它的主宰方面来说叫做帝,从它的流行方面来说叫做命,赋予人叫做性,在人身上起主导作用叫做心。
"Mathematics is the music of reason."
Psychology must be grounded in the reality of the organism's struggle to exist.