And those are the times they're most productive.

Americans spend most of their lives working, being productive.

In an agricultural society, the difference between the richest and the poorest, the most productive and the least productive, was five to one.

Oil seed rape is the most productive bio fuel crop in our climate.

I am productive.

Was your trip productive?

Many of Kathryn's most productive relationships resulted from a meeting or call without a clear agenda.

Tobacco smoke is productive of cancer.

But it's still very, very productive.

It's been very productive, that equation.

less than thinking is immensely productive.

Planting productive trees throughout urban spaces.

So, it's a very productive system.

Good gracious, you have been productive.

Most cameras work the same way.

It was a very productive silver mine.

How they could make programming more productive.

And that doesn't produce a productive politics.

Because it's not making you more productive.

And most surely Ibrahim followed his way.

Most likely mkisofs failed in some way.

I think about trying to rework and re engage the lines on this graph in a more productive way.

There's no productive knowledge in university for me.

There is our work life, where we're productive.

Another productive day in front of the TV?

That's still way more expensive than most companies.

Most people cannot play them that way. (Laughter)

But that's not the way most scientists think.

And that's the way most people see it.

But, in fact, most boys tend to be a certain way, and most girls tend to be a certain way.

And it turns out that if you went back to the 1870s, the most productive nation on earth was Australia, per person.

This is by way of hospitality from Him Who is Most Forgiving, Most Merciful.

I mean, we want to build frameworks in a way that makes it acceptable and makes it productive down the road.

This factory's productive capacity is 250 cars a week.

But this is just our capacity, our productive capacity.

The more productive the economy, the greater the circle.

Did our farmers turn into highly productive commercial actors?

let's channel these resources we get into something productive.

You could argue, maybe, some of it's investment if it helps you become more productive, but for the most part, that's pure consumption.

I know most people don't see it that way.

It's not the most efficient way to sort things.

Those of you who are working, isn't the late 20s to late 40s period in anybody's career the most productive period of one's career?

It would be counter productive to do such a thing.

Urban environments make people more productive than on the farm.

They can grow, they can become productive members of society.