Question everything, even if it represents generations of conventional wisdom.

If you want to become good at something, do it as often as possible. If you want to become an expert at it, do it every day.

The cost of procrastination is generally far greater than the cost of making mistakes.

You can never be free until you develop the mental strength to stop fretting over things you cannot control.

Everything changes for the better when you take ownership of your own problems.

It’s not stress that kills people, but how they react to it.

Success is a matter of understanding and religiously practicing specific, simple habits that always lead to success.

People say they love truth, but in reality they want to believe that which they love is true.

Reality isn't the way you wish things to be nor the way they appear to be but the way they actually are.

The greed and envy of the nonproducer is insatiable, so that eventually nothing short of 100% taxation will appease him.

The desire to impress others is one of the worst forms of mental imprisonment.

Keep your opinion to yourself unless it’s asked for.

The two greatest warriors are Truth and Time. Be sure to march behind, and not against, them.

A life of constant victory is the result of correct thinking

A vegetarian is a person who won't eat anything that can have children.

I've always been pretty unfaithful - I've never stuck to one kind of genre or music.

If we can have a good relationship with Russia and if Russia would help us get rid of ISIS, frankly, as far as I'm concerned, that would be a positive thing, not a negative thing.

Fashion is the pursuit of perfection, Style is the acceptance of one's flaws.

Luxury lives in the finer details. It's a cloth napkin at a dinner table. It's a mint on your pillow before bed.

What the scientists have in their briefcases is terrifying.