अनुशासन :

"अनुशासन कठिन जरूर लगता है, पर आदत बन जाए तो सफलता की गारंटी देता है।"

There is nothing wrong :

"There is nothing wrong with changing a plan when the situation has changed."

Confidence :

"Confidence is not, 'they will like me.' Confidence is, 'I'll be fine even if they don't."