"We think that in some cases these psychic energies may give the imagination actual physical substance."

If you're talking about the plant, though, when you get right down to it, there's no difference between the actual substances.

They play a very important part in Chinese thought: 'elements' meaning generally not so much the actual substances as the forces essential to human life.

That was because her body hadn't really done it; this was all game activity, with no more actual substance than a dream.

Heat flowed from the small body that seemed to weigh nothing, as if the actual substance of the man had been burned away.

The first problem, however, is that no specific actions of any kind have been outlined which can give actual substance to this ambition.

I will, however, quite gladly say something about the actual substance of your question.

"We want to recenter teacher education programs for math and science on the actual scientific substance."

Is karma an idea or an actual substance that sticks to the soul?

I would think they would need more proof, actual substance, to pursue.