John 3:12 If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?
The enemy is trying to get us to doubt the Word of God.
 For had ye believed Moses, ye would have believed me: for he wrote of me.  But if ye believe not his writings, how shall ye believe my words?
 Remember the former things of old: for I am God, and there is none else; I am God, and there is none like me,  Declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure:
God stands outside of time. Everything exists because of Him
If we doubt the beginning we will doubt the end.
Job 19…began with God and will end with God
There is nothing that has been created that, by itself, can explain its own existence. Every creation speaks of its Creator.
 For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse:  Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.  Professing themselves to be wise, they became fools,  And changed the glory of the uncorruptible God into an image made like to corruptible man, and to birds, and fourfooted beasts, and creeping things.  Wherefore God also gave them up to uncleanness through the lusts of their own hearts, to dishonour their own bodies between themselves:  Who changed the truth of God into a lie, and worshipped and served the creature more than the Creator, who is blessed for ever. Amen.  For this cause God gave them up unto vile affections: for even their women did change the natural use into that which is against nature:  And likewise also the men, leaving the natural use of the woman, burned in their lust one toward another; men with men working that which is unseemly, and receiving in themselves that recompence of their error which was meet.  And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;  Being filled with all unrighteousness, fornication, wickedness, covetousness, maliciousness; full of envy, murder, debate, deceit, malignity; whisperers,  Backbiters, haters of God, despiteful, proud, boasters, inventors of evil things, disobedient to parents,  Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:  Who knowing the judgment of God, that they which commit such things are worthy of death, not only do the same, but have pleasure in them that do them.
Ps 11:3…if the foundations be destroyed what can the righteous do?
The same God who created heaven and earth created you and has a purpose for you!! Every created thing has value.