> Data science students need to get comfortable of doing hard things and being wrong 90% of the time "Students need to get comfortable of doing hard things and

> Data science students need to get comfortable of doing hard things and being wrong 90% of the time "Students need to get comfortable of doing hard things and being wrong 90% of the time." or "People need to get comfortable of doing hard things and being wrong 90% of the time." There, FTFY. (Including punctuation.)