In 1906, aged 21, D.H. Lawrence wrote to his future fiancée Louise Burrows with writing advice after reading an essay on art she’d sent to him. Among many other remarkable lines, the British author told Burrows that “[l]ike most girl writers you are wordy” and suggested not being “didactic; try and make things reveal their mysteries to you, then tell them over simply and swiftly, without exaggerating as I do. I think you will do well.”
You can read the entire letter over at the Paris Review.