In reciprocal understanding, my experiences and experiential acquisitions enter into contact with those of others, similar to the contact between individual series of experiences within my (one's own) experiential life; and here again, for the most part, intersubjective harmony of validity occurs, establishing what is normal in respect to particular details, and thus an intersubjective unity also comes about in the multiplicity of validities and of what is valid through them; here again, furthermore, intersubjective discrepancies show themselves often enough; but then, whether it is unspoken and even unnoticed, or is expressed through discussion and criticism, a unification is brought about or at least is certain in advance as possibly attainable by everyone.