quite apart from the incorporation of these mental constructions in the being's sphere of memory, they stand or fall with the being's concentration or will. gradually, as the being's physical life proceeds in evolution, it acquires knowledge and gains experiences that, as mental images, form part of its consciousness, just as it itself, from the knowledge and experience it acquires through physical sensory perception, can manifest new mental constructions in physical matter.

Write the above sentence using proper case.
Quite apart from the incorporation of these mental constructions in the being's sphere of memory, they stand or fall with the being's concentration or will. Gradually, as the being's physical life proceeds in evolution, it acquires knowledge and gains experiences that, as mental images, form part of its consciousness, just as it itself, from the knowledge and experience it acquires through physical sensory perception, can manifest new mental constructions in physical matter.