Fear that the technology will be misused by the government and military is an early theme.

And so I return to my earlier theme of unpredictability.

Building on earlier themes, the concept of dynamic capabilities was introduced in 2000.

No," he returned to his earlier theme, "we're not going to kill anything if we can help it.

All the early themes of his successful presidential campaign were there.

Working with children is another early theme that continues through the entire series.

Or he may have been copying earlier themes from Wilkie.

He also took an interest in photography, focusing on early American themes.

A few pieces have been seen before in other galleries; others are recent versions of earlier themes.

To pick up on an earlier theme, there are two main traditions in penal reform.