A first principle not formally recognized by scientific methodologists: when you run into something interesting, drop everything else and study it.

A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.

A person who has been punished is not thereby simply less inclined to behave in a given way; at best, he learns how to avoid punishment.

Give me a child and I'll shape him into anything.

The major difference between rats and people is that rats learn from experience.

Education is what survives when what has been learned has been forgotten.

Behavior is determined by its consequences.

That's all teaching is; arranging contingencies which bring changes in behavior.

Behavior is shaped and maintained by its consequences

The way positive reinforcement is carried out is more important than the amount.

It is not a question of starting. The start has been made. It's a question of what's to be done from now on.

Watch yourself from different angles so that you can understand better who you really are!

I love a lassie a bonnie bonnie lassie She's as pure as the lily in the dell. She's as sweet as the heather The bonnie bloomin' heather Mary ma Scotch Blue-bell.

I think I've had a very privileged life.

I don't plan my books. I don't know what's going to happen. That's why I could pick up any one of my 30 books and I could continue the story on.

Salvation is universal because the love of God encompasses all. If God is God and if God is love, nothing is outside the love of God. A place like hell is thus inconceivable.

The realm of immediate or personal knowledge is a narrow circle in which these bodies move; the realm of knowledge derived through faith is as wide as the universe, and old as eternity.

When all is summed up, a man never speaks of himself without loss; his accusations of himself are always believed; his praises never.

If you're really successful at bullshitting, it means you're not hanging around enough people smarter than you.

I've stopped thinking all the time of what happened yesterday. And stopped asking what's going to happen tomorrow. What's happening today, this minute, is what I care about.

Peace was the third emotion. Love. Hate. Peace. Three emotions made the ply of human life.