For his motto, Bishop Siemieniewski adopted the words from the Scripture: God Is Love (Latin: Deus Caritas Est).
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He was consecrated on February 11, 2006 by Archbishop Marian Gołębiewski with the assistance of Cardinal Henryk Gulbinowicz and Bishop Ignacy Dec.
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In 1985, at the Pontifical Faculty of Theology in Wroclaw he defended his thesis, ‘The Relationship of Man and God in the Light of Martin Buber’s Philosophy of Dialogue’, written under the direction of Ignacy Dec (formerly the first bishop of Świdnica).
Andrzej Wajda | Andrzej Seweryn | Józef Andrzej Załuski | Andrzej Żuławski | Andrzej Sapkowski | Andrzej Lepper | Andrzej Gwiazda | Andrzej Fidyk | Jan Andrzej Zakrzewski | Andrzej Trzebicki | Andrzej Stanisław Załuski | Andrzej Kurylewicz | Andrzej Kotkowski | Andrzej Kostenko | Andrzej Bogucki | Andrzej Walkowiak | Andrzej Wach | Andrzej Trautman | Andrzej Stasiuk | Andrzej Skarbek | Andrzej Sekuła | Andrzej Sakson | Andrzej Przemysław Zamoyski | Andrzej Potocki | Andrzej Piotr Ruszczyński | Andrzej Pilipiuk | Andrzej Markowski | Andrzej Kubica | Andrzej Kowerski | Andrzej Kmicic |