He expressed clearly, that mankind’s acquisition of the behaviour and way of being of this world redeemer as its one and only “salvation”, with the words: “And he who does not bear his cross and follow me, he cannot be my disciple”.

Make this lower case.
he expressed clearly, that mankind’s acquisition of the behaviour and way of being of this world redeemer as its one and only “salvation”, with the words: “and he who does not bear his cross and follow me, he cannot be my disciple”.