Short words are best and the old words when short are best of all.

Old expressions are the best, and short ones even better

I wanted to make a clever chemistry joke, but the best ones argon.

We are masters of the unsaid words, but slaves of those we let slip out

During my life, I have often had to eat my own words, and on the whole I have found them a wholesome diet

I have never developed indigestion from eating my words.