Procrastination is the thief of time and the enemy of success.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

Just stick with it, what seems hard now will one day be your warm up.

Time is your friend, impulse is your enemy.

No one starts out on top. You have to work your way up.

Everything you want is on the other side of fear

Procrastination makes easy things hard and hard things harder.

The temptation to quit will be the greatest when you are about to succeed

The greatest mistake we make is living in constant fear that we will make one.

The master has failed more times than the beginner has even tried

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

Success can never happen without the journey (struggle).

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Mistakes have the power to turn you into something better than you were before.

Knowledge is of no value unless you put it into practice.