the various species to keep within the definite limits of their own life-forms when propagating and multiplying their kind

Of course, even the general designation 'religious' includes various basic ideas or convictions, for example, the indestructibility of the soul, the eternity of its existence, the existence of a higher being, etc. But all these ideas, regardless of how convincing they may be for the individual, are submitted to the critical examination of this individual and hence to a fluctuating affirmation or negation until emotional divination or knowledge assumes the binding force of apodictic faith. This, above all, is the fighting factor which makes a breach and opens the way for the recognition of basic religious views.