It is most true that even great thinkers can be limited by their own times.

Almost all of our great thinkers and writers have joined the cause.

I asked myself, "Who were the great thinkers of this time?

There are so many other great thinkers who have a lot to say about life and its existential environment.

Newton was not the first or the only great scientific thinker of the time.

Most great thinkers put their talents to good use; not Brian.

The artist never won much respect as a great thinker, and it is not difficult to see why.

As some great twentieth-century thinker had said, night must fall.

His movements are slow, and he is a great thinker.

When great thinkers think about problems, they start to see patterns.