The Han dynasty savant Wang Ch'ung, author of Lun-heng, proposed that a person's life was determined by the moment when the mother's ovum was fertilized by the father's sperm.
寫「論衡」的漢朝學者王充曾提出他的想法，認為一個人的一生，早在父母交合、卵子受精時就決定了。