Christians repeat this cliche all the time. Suppose a friend is going through a difficult time. You feel for them & tell them you’ll pray for them. Then you say, “Well, just remember, God never gives us more than we can handle.”
Baloney! This is not true.
First, it is not in the Bible. Search for you all you want. You won’t find it.
Second, the Bible pretty much teaches the opposite: God pretty much always gives us more than we can handle.
Listen to the message for a fuller explanation.