As Carl von Klauswitz said,

pursue one great decisive aim with force and determination.

This is critical.

Whatever it is that you're going to do in your life,

if you have any interest in doing something extraordinary,

if you have any interest in performing better than other people,

if you have any interest in doing something that will be remembered,

this is the takeaway for you.

Pick one thing and do it with force and determination.

The only way that you're going to be able to push past the mountain of obstacles

that is going to try to stop you,

is to have a maniacal focus,

to know exactly what you want,

to have clarity of purpose,

to have a crystal clear vision in your mind of what you're trying to accomplish,

something that you could tell anybody in a single sentence.

When you have that and you stare at it all day

and you think about exactly how you're going to make it happen,

and you tie your identity to it.

Then you've got a chance.

Because then my friends,

when that obstacle comes before you,

...