'Pass' in the Bible

Because many words lead to pointlessness, how do people benefit from this? 12Who knows what is best for people in this life, every day of their pointless lives that they pass through like a shadow? Who informs people on earth what will come along after them?

For no one knows what is best for a person during his life -- during the few days of his fleeting life -- for they pass away like a shadow. Nor can anyone tell him what the future will hold for him on earth.

And turn aside anger from thy heart, And cause evil to pass from thy flesh, For the childhood and the age are vanity!