Please capitalize where necessary: ever since the beginning of time, people have the arguments and hostility to each other. that's when it began de force.
A: Ever since the beginning of time, people have the arguments and hostility to each other. That's when it began de force.

Please capitalize where necessary: the six young composers are:
A: The six young composers are:

Please capitalize where necessary: manchester had a profound influence on goldstein. the influence of reynolds and lamb in fluid dynamics was still felt there and had a strong effect on goldstein.
A: Manchester had a profound influence on Goldstein. The influence of Reynolds and Lamb in fluid dynamics was still felt there and had a strong effect on Goldstein.

Please capitalize where necessary: that does not preclude material success; but such success should be the by-product rather than the primary source of your efforts.
A:
That does not preclude material success; but such success should be the by-product rather than the primary source of your efforts.