Since My Previous Life Was A Wise Man, I Can Afford To Live is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Born to excellent parents, Reus is abandoned shortly after being born due to a mismeasurement of magical aptitude. However, he was a super baby who had the memory and ability of his previous life where he was touted as a Great Sage, and was able to fly, not to mention conversation and walking!
Adventuring with the sacred dragon familiar, Lindworm (super strong), enjoy the life of a baby Sage who becomes a person and enjoys freedom!