工具律

Law of the instrument

給小男孩一把鎚子,他會認為所有的東西都該敲一敲。
Kaplan(1964): “Give a small boy a hammer, and he will find that everything he encounters needs pounding.” 1)

若手上只有鎚子,每個東西都像是釘子。
Maslow(1966): “If the only tool you have is a hammer, to treat everything as if it were a nail.” 2)

1)
Abraham Kaplan (1964). The Conduct of Inquiry: Methodology for Behavioral Science. San Francisco: Chandler Publishing Co. p. 28.
2)
Abraham Harold Maslow (1966). The Psychology of Science. p. 15