If it is a virtue to love my neighbor as a human being, it must be a virtue - and not a vice - to love myself, since I am a human being too.

Immature love says: 'I love you because I need you.' Mature love says 'I need you because I love you.'

Greed is a bottomless pit which exhausts the person in an endless effort to satisfy the need without ever reaching satisfaction.

It takes a moment to tell someone you love them, but it takes a lifetime to prove it.

Love isn't something natural. Rather it requires discipline, concentration, patience, faith, and the overcoming of narcissism. It isn't a feeling, it is a practice.

Creativity requires the courage to let go of certainties.

Man's main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

The lust for power is not rooted in strength but in weakness.

The task we must set for ourselves is not to feel secure, but to be able to tolerate insecurity.

The scars left from the child's defeat in the fight against irrational authority are to be found at the bottom of every neurosis.

To love somebody is not just a strong feeling - it is a decision, it is a judgment, it is a promise.

I can't even produce a metaphor for the drug world anymore. I don't even like the phrase the drug world since the phrase implies a different world.

We would send them all to hell! And hell they would go!

When you want to be alone, even few people around you will seem like a tremendous crowd to you!

There was no experience, I thought, quite as wonderful as being an American in Paris.

People fear what they can't understand and harm what they fear.

Small businesses are really the engine in the economy.

The same is the case with those opinions of man to which he has been accustomed from his youth; he likes them, defends them, and shuns the opposite views.

A superior who works on his own development sets an almost irresistible example.

The future isn’t ahead of us. It has already happened.

If as a voter you think what we need is more Republicans in Washington to cut a deal with Harry Reid and Nancy Pelosi and Chuck Schumer, then I guess Donald Trump's your guy.