My personal thought is that everyone should be treated equally.

He can think about things with common sense.

He is immersed in miscellaneous studies.

He is in a state of statelessness.

I am using a special cream for athlete's foot.

Dark matter is covering this world.

Her curly hair is very attractive.

If you rephrase that complex theory in simpler terms, it's just common sense.

He daringly accepted the challenge.

Caseous necrosis was found in his lungs.