He is knowledgeable in all fields of learning.

He is widely recognized as an expert in dogmatics.

He is majoring in the study of national law.

He understands the basic concepts of thermodynamics.

General relativity is a theory of physics proposed by Einstein.

Special relativity is one of the fundamental theories of physics.

It is important to distance yourself from antisocial forces.

We are implementing a social distancing strategy to prevent the spread of the new coronavirus.

My brother works as a labor and social security attorney.

Euclidean geometry forms the foundation of geometry.