It's just on the right side of difficult, exercises the mind without burning it out.

Our ancestors are an example of how traveling is another way to exercise the mind.

It was good to exercise the mind on something other than the impossible challenge Grandmother had set me.

It is good to exercise the mind as well as the body.

After all, a good game of pool checkers exercises the mind.

This problem has exercised the minds of librarians throughout history.

It reaches the parts other sports can't reach - exercises the mind.

They are dream vehicles that exercise the minds of the engineers and designers.

Gardening is filled with opportunities to exercise the mind and the body, which keeps the motivation levels high.

But it makes you think, it exercises the mind.

Digital video, with vast possibilities for manipulating images, exercises the mind.

A beautifully installed show, it remains to exercise the mind as well as the eye through Sept. 24.

It is definitely a game you can play together (in a versus mode or by taking turns) and it exercises the mind.

When he is not doing sports he likes to play chess, because it exercises the mind, he says.

The same question was exercising the mind of Princess Tobin at Stronghold.

That question exercised the minds of those who met after dinner in Rohan's chambers for the regular evening discussion.

It undoubtedly exercises the mind in an extremely useful way, coming as it does in the wake of the first report produced last March.

Gardening exercises the mind as well as body and provides stimulation for those suffering from mental health issues such as Alzheimer's.

Strolling exercises the mind.

The need for conservation of the environment and the forests has exercised the minds of Indian rulers from the earliest of times.

Casimir's plan was to spend all the money on a single project that would exercise the minds of the members and, in the end, produce something useful.

The final element to which I wish to refer is the quality of our democracy, which has exercised the minds of many hon. Members today.

But the show itself avoids both obviousness and an all-over-the-place vagueness, managing to to stick to its theme while bending it enough to exercise the mind.

While all this activity is extremely useful, there is an even wider question exercising the minds of working ombudsmen today: how do they deal with the internet?

Within these conditions, some of the broad themes currently exercising the minds of practitioners and commentators in commercial and industrial management are worthy of consideration.