That was very entertaining XD The first one is a very common saying. The second one is just... it gave me a good laugh. I'm curious to know what they think of "ineradicable". As for "don't", you use the contraction for speech or informal conversation, but for a formal written piece I was always told to use "do not". It reads so much better and keeps the meaning, without sacrificing formality and intention. Your original translations were all perfectly fine, haha