'Emptiness' in the Bible

Turn aside do the paths of their way, They ascend into emptiness, and are lost.

Truly I've been allotted months of emptiness; nights of trouble have been appointed for me.

Let him not trust in a worthless speech. He leads only himself astray, for emptiness will be his reward.

So how will you comfort me [with] emptiness, when fraud is left [in] your answers?"

“It is He who spreads out the north over emptinessAnd hangs the earth on nothing.