There is nothing counter to conventional wisdom in the saying. In the midst of negative formulations that present conventional wisdom, Q, synoptic tradition, and the Gospel of Thomas contain assertions that invert and divert conventional wisdom. Conventional wisdom asserts that some things that are hidden will be lost and never found. With certain topics, Q, synoptic tradition, and Thomas move away from conventional wisdom into contrawisdom. At these points an interpreter sees aspects of the ideological texture of this tradition that set it in opposition to conventional Mediterranean wisdom.
Most people are familiar with deductive reasoning.
In contrast to deductive reasoning, inductive reasoning is a means by which we get new knowledge. Therefore all foxes are red. Inductive reasoning is essential for expanding our knowledge.