Yes you are right.Is sacrifices that lead to success in life, before you become who you are in life you need to sacrifices your time and focus for you to comes out of good result.when you failed to sacrifices your time on good things you come with deferens excuses if i could turn back in the Hans of time or i should have none.Before you meet your goals in life you need to sacrifices your time in your business or studies.Sacrifices yourself to what you know is good for you and you see that the sky will be your limit.