Easier said than done：知易行難（Google翻譯）
依照這樣的邏輯，知難行易應該可以翻成：Easier done than said.
哲學主張：“知難行易”。彌留之際，孫中山提到國事的遺言是：“和平……奮鬥……救中國！”His philosophy is "it's easier to do than know." When he was dying, his last sentence was"peace, strive, save China."
知難行易翻成：It's easier to do than know.