How to use "deem" in a sentence

Doing this I deem to be only a simple duty on my part; and I shall perform it so far as practicable, unless my rightful masters, the American people, shall withhold the requisite means, or in some authoritative manner direct the contrary

While the strict legal right may exist in the government to enforce the exercise of these offices, the attempt to do so would be so irritating, and so nearly impracticable withal, that I deem it better to forego for the time the uses of such offices.