He is a person of strong vanity who reads self-improvement books.

He is facing many difficulties due to gender identity disorder.

This company demands uniformity in all projects.

This design has uniformity in color.

Flexibility is necessary for success.

This math problem is based on the principle of additivity.

This problem can be solved using the principle of linearity.

The liquidity of this company is very high.

The credibility of that research is highly valued in the scientific community.

We need to evaluate the profitability of this project.