Yes, he said to himself, I think we can admit that she has certain notions about the value of time.

He was beginning to have certain notions of his own.

But at the same time it served to confirm certain vague notions that had come to him earlier.

I have a great regard for certain notions of beauty even though to some it is an old fashioned idea.

He had to keep a firm fix on reality, no matter how tempting certain notions might become.

Law is based on certain common notions; so is religion.

I grained certain notions as to what he wanted.

Because they have certain fixed notions about the past.

The Servitor, like other composites, could not handle certain notions.

I think certain notions of ethics would apply in such an era.