But he answered and said, It is written, Man shall not live by bread alone, but by every word that proceedeth out of the mouth of God. Matthew 4:4 KJV
Our spiritual nourishment and strength comes from the Word of God (Bible).
No where else.
Study, search the scriptures, hide the Word in your heart. It wii do you well.
Thy word have I hid in mine heart, that I might not sin against thee. Psalms 119:11 KJV