The Son is 'Life' (Jn. 14:6) ...

The Son is 'Life' (Jn. 14:6) because He is 'Light', constituting and giving reality to every thinking being. 'For in Him we live, move and exist' (Acts 17:28) and there is a two-fold sense in which He breathes into us (cf. Gen. 2:7; Jn. 20:22); we are filled, all of us, with His breath, and those who are capable of it, all those who open their mind's mouth wide enough, with His Holy Spirit.
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 Gregory of Nazianzus

Quotes from the same author

If anyone does not believe that Holy Mary is the Mother of God, he is severed from the Godhead. If anyone should assert that He passed through the Virgin as through a channel, and was not at once divinely and humanly formed in her (divinely, because without the intervention of a man; humanly, because in accordance with the laws of gestation), he is in like manner godless.
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 Gregory of Nazianzus
If anyone does not believe that Holy Mary is the Mother of God, such a one is a stranger to the Godhead.
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 Gregory of Nazianzus
Who gave you the ability to contemplate the beauty of the skies, the course of the sun, the round moon, the millions of stars, the harmony and rhythm that issue from the world as from a lyre, the return of the seasons, the alternation of the months, the demarcation of day and night, the fruits of the earth, the vastness of the air, the ceaseless motion of the waves, the sound of the wind?
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 Gregory of Nazianzus
May God preserve me from being rich while they are indigent, from enjoying robust health if I do not try to cure their diseases, from eating good food, clothing myself well and resting in my home if I do not share with them a piece of my bread and give them, in the measure of my abilities, part of my clothes and if I do not welcome them into my home
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 Gregory of Nazianzus
All who have lived according to God still live unto God, though they have departed this life. For this reason, God is called the God of Abraham, Isaac and Jacob, since He is the God, not of the dead, but of the living
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 Gregory of Nazianzus