YOU SAID:
Ever tried, ever failed; no matter. Try again, fail again, fail better.
INTO JAPANESE
今まで試した、これまで失敗した;かまいません。もう一度試して、再び失敗、よく失敗します。
BACK INTO ENGLISH
Ever tried and so far failed; can be. Try again, fail again, often fail.
That didn't even make that much sense in English.