depth of knowledge

"Yes, I do," he said with the same depth of absolute knowledge.

Still, many expressed reservations about him, the most common being whether he had sufficient depth of knowledge or experience to be president.

These guys have a depth of understanding and experience and knowledge with security.

If this represents the depth of knowledge and analysis the President brings to financial matters, no wonder the economy is stalled.

Without this depth of knowledge archaeologists risk making decisions with unintended consequences.

He demonstrates a depth and breadth of knowledge in each subject.

To this he might have added "depth of knowledge and experience", which lay at the roots of his own work.

The "depth of knowledge in the area we want to build software is not good enough" among Indian programmers, the executive said.

He's bright, facile, and a quick study, but he does not have your depth of knowledge.

But, she said, "there was no depth of knowledge or real understanding of the needs."