There are no evil thoughts except one; the refusal to think.

In order to be in control of your life, you have to have a purpose-a productive purpose.

My happiness is not the means to any end. It is the end. It is its own goal. It is its own purpose.

Whether you know the shape of a pebble or the structure of a solar system, the anxioms remain the same: that it exists and that you know it.

Man’s rights can be violated only by the use of physical force. It is only by means of physical force that one man can deprive another of his life, or enslave him, or rob him, or prevent him from pursuing his own goals, or compel him to act against his own rational judgment.

I've always thought that a feeling which changes never existed in the first place.

There’s no way to rule innocent men. The only power any government has is the power to crack down on criminals. Well, when there aren’t enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for me to live without breaking laws. Who wants a nation of law-abiding citizens? What’s there in that for anyone? But just pass the kind of laws that can neither be observed or enforced nor objectively interpreted - and you create a nation of law-breakers - and then you cash in on guilt.