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
Sex, once a law as undisputed as gravity, has been disproved. The equation is erased, the blackboard broken - Isaac Marion
I have found so many angels trapped inside undisputed jargon that I find myself digging at the words, in order to release them, from the books that unfairly captured their soul. - Shannon L. Alder
For the normal man, life is an undisputed reality; only the sick man is delighted by life and praises it so that he won't collapse. - Emil Cioran