In “Of our Spiritual Strivings” from the book The Souls of Black Folk, DuBois points out the racial discrimination that African Americans underwent and the suffering that resulted from it. He also mentions double consciousness, which is the individual sensation of feeling as if ones identity is divided into several parts making it hard to have a sense of identity. These experiences are still relevant as there is still racial prejudice such as in the Criminal Justice system
The steam engine of Thomas Newcomen and James Watt used the same principle of creating a vacuum and using steam to drive the device. The difference is that in James Watt's version, he uses a separate condenser to allow for a much greater efficiency in terms of power. The main difference with a separate condenser is that with a separate condenser, the main device can remain hot at all times, thus increasing efficiency.
Said the bible biggest religious authority not the pope.Luther taught that salvation and, subsequently, eternal life are not earned by good deeds but are received only as the free gift of God's grace through the believer's faith in Jesus Christ as redeemer from sin.
These are two of his main points. Their are more though.