¹³ Now all has been heard;
    here is the conclusion of the matter:
Fear God and keep his commandments,
    for this is the duty of all mankind.
¹⁴ For God will bring every deed into judgment,
    including every hidden thing,
    whether it is good or evil.(Ecclesiastes 12)

The New Testament repeats the same truth, "And as it is appointed for men to die once, but after this the judgment," (Hebrews 9:27)

Please read Ecclesiastes 12 - Song of Songs 2. And Listen. 

May the Lord richly bless you!