Complete, the text adding suffixes, prefixes or the both with the root words given in the parenthesis:

You should bear in mind that (a) ______ (confidence) - assists a man to reach the goal of life. The lack of (b) ______ (determine) - leads one to lose the confidence. You need it in order to (c) _____ (come) the problems of life. Fix a target and then try (d) _____ (sincere) - to gain success. Don't lose heart if you fail. Remember that (e) _____ (fail) - is - is the pillar of success.