ゆめ忘るな
お忘れなく
to be forgotten―pass out of mind―pass out of one's memory―fade from one's memory―escape one's memory―slip one's memory―fall into oblivion―be buried in oblivion
忘れる.
to forget something
忘れちまえ!
to forget oneself―lose oneself (in admiration)―be lost (in admiration)―be absorbed (in study)―be engrossed (in one's business)―be beside oneself (with joy or grief)
消し忘れ
思い出さずに
Be ever present to your mind
to carelessly forget to say something
will never forget
You are ever present to my mind.