After several minutes of utterly dull conversation I began to think of her not as a woman but as a human, then not as a human but as an animal, then not as an animal but as a source of high-grade protein.
You eat canned tuna fish and you absorb protein. Then, if you're lucky, someone give you Dover Sole and you experience nourishment. It's the same with books. - Lois Lowry
A piece of bad news wrapped in a protein coat. - Nick Lane
Advocacy of leaf protein as a human food is based on the undisputed fact that forage crops (such as lucerne) give a greater yield of protein than other types of crops. Even with conventional food crops there is more protein in the leafy parts than in the seeds or tubs that are usually harvested. - Norman Pirie
The human mind treats a new idea the same way the body treats a strange protein; it rejects it. - P. B. Medawar
Whatever their other contributions to our society, lawyers could be an important source of protein.
The human mind treats a new idea the way the body treats a strange protein; it rejects it.