You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant. 

If you have to fight a dragon, you should go to its lair before it comes to your village.

Don't wait around for your life to happen to you. Find something that makes you happy, and do it. Because everything else is all just background noise.

I know of no society in recorded history that ever suffered because its people became too reasonable

Life begins at the end of your comfort zone.

A smooth sea never made a skilled sailor

It's the things you don't do that you regret the most.

Aut Viam Inveniam, Aut Faciam

Lions don't lose sleep over the opinion of sheep

Nothing changes if nothing changes

A good scare is worth more to a man than good advice.

You don't get what you deserve, you get what you negotiate.

You can't reason someone out of a position they didn't reason themselves into.

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

Principles only mean something if you stick by them when they're inconvenient.

Creativity is the ability to hide your sources.

If you can't explain it simply, you don't understand it well enough.

'Someday' is a disease that will take your dreams to the grave with you.

On the other side of fear is everything you've ever wanted.

Hard work beats talent when talent stops working hard.

You can be the ripest, juiciest peach in the world, and there's still going to be someone who hates peaches.

You will become way less concerned with what other people think of you when you realize how seldom they do.

Beware of he who would deny you access to information, for in his heart he dreams himself your master.

Your effort to remain what you are is what limits you.

If we have data, let's look at data. If all we have is opinions let's go with mine.

If you think it's expensive to hire a professional to do the job, wait until you hire an amateur.

We only know ourselves to the extent that we have been tested.

The best thing you can do is the right thing, the next best thing you can do is the wrong thing, the worst thing you can do is nothing.

Don't cling to a mistake because you spent a long time making it.