"There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it." (I Cor. 10:13)
Where do temptations come from? There are at least three sources of temptations (BTW, if you wish to add or improve upon this article please feel free to leave a comment) - The first two that I will highlight are outward sources and the third is inward or our selves (the flesh or our sinful nature).
1. Satan himself, as he is also known as "the tempter."
"For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter have tempted you, and our labour be in vain." (1 Thess. 3:5)
"My son, if sinners entice thee, consent thou not." (Pro. 1:10)"Enter not into the path of the wicked, and go not in the way of evil men.15 Avoid it, pass not by it, turn from it, and pass away." (Pro. 4:14-15)"A violent man enticeth his neighbour, and leadeth him into the way that is not good." (Pro. 16:29)
"Watch and pray, that ye enter not into temptation: the spirit indeed is willing, but the flesh is weak." (Matt. 26:41)"But every man is tempted, when he is drawn away of his own lust, and enticed." (James 1:14)