Here are a few quotes indicating that: "Man has no nature," from the historian Jose Ortega y Gasset; "Man has no instincts," from the anthropologist Ashley Montagu; "The human brain is capable of a full range of behaviors and predisposed to none," from the late scientist Stephen Jay Gould.
下面有几条表达这个意思的语录： “人无天性”，来自历史学家 Jose Ortega y Gasset; “人无本能”，来自 人类学家Ashley Montagu; “人的大脑有能力做各种行为 但没有任何预先的倾向”，来自已故科学家史蒂芬·古尔德。