0 to announce in public that your past beliefs or statements were wrong and that you no longer agree with them -- 公开宣布放弃(以前的信仰)
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。