As the light of morning strikes now one peak and then another, some being illuminated while others are in the shadow, so the light of the essential moral principle shines now upon one duty and then upon another, while others are in the shadow.
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Section 4 : Moral IdealsFelix Adler
Shadow is not the absence of light, merely the obstruction of the luminous rays by an opaque body. Shadow is of the nature of darkness. Light is of the nature of a luminous body; one conceals and the other reveals. They are always associated and inseparable from all objects. But shadow is a more powerful agent than light, for it can impede and entirely deprive bodies of their light, while light can never entirely expel shadow from a body, that is from an opaque body.
Leonardo da Vinci
The body which is nearest to the light casts the largest shadow, and why? If an object placed in front of a single light is very close to it you will see that it casts a very large shadow on the opposite wall, and the farther you remove the object from the light the smaller will the image of the shadow become.
Leonardo da Vinci
Light is the chaser away of darkness. Shade is the obstruction of light. Primary light is that which falls on objects and causes light and shade. And derived lights are those portions of a body which are illuminated by the primary light. A primary shadow is that side of a body on which the light cannot fall.
Leonardo da Vinci
A shadow may be infinitely dark, and also of infinite degrees of absence of darkness. The beginnings and ends of shadow lie between the light and darkness and may be infinitely diminished and infinitely increased. Shadow is the means by which bodies display their form. The forms of bodies could not be understood in detail but for shadow.
Leonardo da Vinci
Sometimes a strange light
shines, purer than the moon,
casting no shadow, that is
the halo upon the bones
of the pioneers who died for truth.R. S. Thomas
Adler, Felix
Adler, Freda
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