Communication With the Dead

How much do the dead know of what is going on among men?BR-ASI9 366.10

“Thou changest his countenance, and sendest him away. His sons come to honour, and he knoweth it not; and they are brought low, but he perceiveth it not of them.” Job 14:20, 21.BR-ASI9 366.11

Do the dead know anything?BR-ASI9 367.1

“For the living know that they shall die: but the dead know not any thing.” Ecclesiastes 9:5. “His breath goeth forth, he returneth to his earth; in that very day his thoughts perish.” Psalm 146:4.BR-ASI9 367.2

What scripture forever precludes the idea that the dead come back to earth to communicate with the living?BR-ASI9 367.3

“Also their love, and their hatred, and their envy, is now perished; neither have they any more a portion for ever in any thing that is done under the sun.” Ecclesiastes 9:6.BR-ASI9 367.4