A good teacher is a determined person.

Many people have played themselves to death. Many people have eaten and drunk themselves to death. Nobody ever thought himself to death.

The real duty of man is not to extend his power or multiply his wealth beyond his needs, but to enrich and enjoy his imperishable possession: his soul.

These are not books, lumps of lifeless paper, but minds alive on the shelves.

A teacher must believe in the value and interest of his subject as a doctor believes in health.

A good teacher is a determined person.

What is politics but persuading the public to vote for this and support that and endure these for the promise of those?

Language is a living thing. We can feel it changing. Parts of it become old: they drop off and are forgotten. New pieces bud out, spread into leaves, and become big branches, proliferating.

The relation between parents and children is essentially based on teaching.

They eccentrics are explosive mixtures. Some of them are as sensitive as those fulminates which can be detonated by a falling leaf.

A very wise old teacher once said I consider a days teaching wasted if we do not all have one hearty laugh.

Language is a living thing.

A very wise old teacher once said: I consider a day's teaching wasted if we do not all have one hearty laugh.

Teaching is an art, not a science, principally because it involves human beings, their emotions and their values.

We all make mistakes, but the people who thrive from their mistakes are the successful ones.

It kills me when I see some metal band trying to pass themselves off as an 'alternative band.'

Ask, give thanks, repeat. Ask, give thanks, repeat.

The greatest generation was formed first by the Great Depression. They shared everything meals jobs clothing.

I am a great believer in naps, whatever age you are.

What keeps me going is goals.

When I was in high school, there was 'Superbad' and 'The Girl Next Door' and 'Wedding Crashers' and all these great movies. You hope to be a part of something that's smart, funny and in that Todd Phillips-vein. You want to make something like 'Superbad.' That movie was so good and so funny.

How is it that, in the face of overwhelming scientific evidence, there are still some who would deny the dangers of climate change? Not surprisingly, the loudest voices are not scientific, and it is remarkable how many economists, lawyers, journalists and politicians set themselves up as experts on the science.

There I am, chain-smoking and watching YouTube videos in my bedroom at 6 A.M. when a spoken-word video comes on the screen. I knew I had to do it: that it was another part of me that needed to be explored.

I'm not friends with any of my exes, and I've never understood the appeal.

Eternity is a mere moment just long enough for a joke.

The law was made for one thing alone, for the exploitation of those who don't understand it, or are prevented by naked misery from obeying it.

If any philosopher had been asked for a definition of infinity, he might have produced some unintelligible rigmarole, but he would certainly not have been able to give a definition that had any meaning at all.

Planning and preparations for Iraq after Saddam Hussein were wholly inadequate.

Go work at the post office or Starbucks if you want balance in your life.

Our goal is to see Big History become a normal part of high school curricula. I'd love to see it being taught in lots of languages. A global course.

'Sag Harbor' was a very different book for me. It changed the way I thought about books that I wanted to do.

My favorite film is Gene Tierney and Tyrone Power in The Razor's Edge.

I'm the kind of guy who can't keep a plant alive for a week, let alone a relationship.

May you find the courage to be grateful for every circumstance.

It turns out that social networks drive a heck of a lot of traffic to blogs.

We sing because we can't speak anymore.

If you make an error, use it as a stepping stone to a new idea you might not have otherwise discovered.

I think it is important for someone like me to not run away from who I am but embrace it. LGBT people across the country need to know they have a friend in Congress.