It is easier to deceive yourself, and to do so unperceived, than to deceive another.
Our degeneration, when it is traced back to its origin in our view of the world really consists in the fact that true optimism has vanished unperceived from our midst.
The "I" in me, my friend, dwells in the house of silence, and therein it shall remain for ever more, unperceived, unapproachable.
Custom is a violent and treacherous school mistress. She, by little and lithe, slyly and unperceived, slips in the foot of her authority; but having by this gentle and humble beginning, with the benefit of time, fixed and established it, she then unmasks a furious and tyrannic countenance, against which we have no more the courage or the power so much as to lift up our eyes.
A life of love is difficult, but it is not a bleak or unrewarding life. In fact, it is the only true human and happy life, for it is filled with concerns that are as deep as life, as wide as the whole world, and as far reaching as eternity. It is only when we have consented to love, and have agreed to forget ourselves, that we can find our fulfillment. This fulfillment will come unperceived and mysterious like the grace of God, but we will recognize it and it will be recognized in us.
Already, viral contamination offers an initial response to the question of the downside of electronic circuits, but another area of research beckons the area of ecological pollution. The pollution not only of air, water, and other substances, but also the unperceived pollution of distances.