While Lyndon Johnson is reported to have said this (or a variation), it was not original to him. See barrypopik.com http://www.barrypopik.com/index.php/new_york_city/entry/when_anyone_says_hes_a_country_boy_you_better_put_your_hand_on_your_wallet and Texas, A Modern History: Revised Edition https://books.google.com/books?id=WQNo7e3jjysC&pg=PA215#v=onepage&q&f=false.
Misattributed
“One seldom recognizes the devil when he is putting his hand on your shoulder.”
Source: Beautiful Boy: A Father's Journey Through His Son's Addiction
Source: Roots : The Saga of an American Family (1976), Ch. 51.
“Put your trust in God, my boys, and keep your powder dry!”
From the poem "Oliver's Advice" http://books.google.com/books?id=JmEaAQAAIAAJ&dq=%22Oliver%27s+Advice%22+Cromwell&q=%22Oliver%27s+Advice%22+Cromwell#v=snippet&q=%22Oliver's%20Advice%22%20Cromwell&f=false by William Blacker, published under the pseudonym Fitz Stewart in The Dublin University Magazine, December 1834, p. 700. This line by a different Colonel Blacker is paraphrased from an attribution to Oliver Cromwell (hence the poem's title).
Misattributed
Source: Memnoch the Devil
Source: City of Bones
Quotes from Judge Judy cases, Dress, stand, speak properly
“Put your hands to work and give your hearts to God.”
The Communistic Societies of the United States (1875)
