Each pursues his own theory, little solicitous to correct or improve it by an attention to what is advanced by his opponents.

Each pursues his own theory, little solicitous to correct or improve it by an attention to what is advanced by his opponents.

每个人都追求自己的理论，很少关心通过关注对手的进步来纠正或改进它。

-- Thomas Robert Malthus 马尔萨斯