God can only sustain our life. The Psalmist David expressed that God was his only refuge because he had seen that he put his trust and hope in men; it was not entirely certain, because man can get to err, and circumstances can change the course of life and thoughts. Like everything in this world, nothing is permanent, and what I can think about the future today, tomorrow can change a word, an event, a news.
I decide to say like the Psalmist: "In God only my soul is silenced, He is my hope" ... and in Him I decide to wait, because I know that all those who trust Him; they will not be ashamed.
Any question that you present, do not hesitate to comment and I will be able to help you.
Bye Bye!
@Charlessup