The passage given below is an extract from a motivational speech. Fill in the blanks using appropriate forms of the words given in the brackets.
Everybody is unique. If you ..... (be) confident enough to break the shackles of uncertainty, you will be successful. Don't brood over your past failures. If you ... (fail) in the past, you would learn lessons from it. If you........ (pass) in all your attempts very easily, you would have been satisfied with those successes and ........... (sit) simply with those.