Text: in the following i shall show that a connection exists between the energy states of a hydrogen atom and the total content of energy of the universe.

Correct capitalization: In the following I shall show that a connection exists between the energy states of a hydrogen atom and the total content of energy of the Universe.

Text: the number one reason, i found myself attracted to tren is how inexpensive and easily available it is. no wonder so many bodybuilders of note resort to taking tren.

Correct capitalization: The number one reason, I found myself attracted to tren is how inexpensive and easily available it is. No wonder so many bodybuilders of note resort to taking tren.

Text: 29 a wicked man hardeneth his face: but as for the upright, he directeth his way.

Correct capitalization: 29 A wicked man hardeneth his face: but as for the upright, he directeth his way.

Text: regardless of age, you can learn how to read music notes quickly and efficiently.

Correct capitalization:
Regardless of age, you can learn how to read music notes quickly and efficiently.