Isaiah 55:10-11

As the rain and the snow come down from heaven, and do not return to it without watering the earth and making it bud and flourish, so that it yields seed for the sower and bread for the eater, so is my word that goes out from my mouth: It will not return to me empty, but will accomplish what I desire and achieve the purpose for which I sent it.
Isaiah 55:10-11

(Pr 10:32)

The speech of a good person clears the air;
the words of the wicked pollute it.
The Book 

John 6:44-45

No one can come to me unless the Father who sent me draws him, and I will raise him up at the last day. It is written in the Prophets: "They will all be taught by God". Everyone who listens to the Father and learns from him comes to me.
John 6:44-45

Hebrews 10:35-38

So do not throw away your confidence; it will be richly rewarded. You need to persevere so that when you have done the will of God, you will receive what he has promised. For in just a very little while, "He who is coming will come and will not delay. But my righteous one will live by faith. And if he shrinks back, I will not be pleased with him."
Hebrews 10:35-38

Colossians 3:16-17

Let the word of Christ dwell in you richly as you teach and admonish one another with all wisdom, and as you sing psalms, hymns and spiritual songs with gratitude in your hearts to God. And whatever you do, whether in word or deed, do it all in the name of the Lord Jesus, giving thanks to God the Father through him.
Colossians 3:16-17

(Pr 8:35-36)

"When you find me (Lady Wisdom), you find life, real life, to say nothing of GOD's good pleasure. But if you wrong me, you damage your very soul; when you reject me, you're flirting with death.” The Book (Pr 8:35-36)

Psalms 39:4-6

Show me, O LORD, my life's end and the number of my days; let me know how fleeting is my life. You have made my days a mere handbreadth; the span of my years is as nothing before you. Each man's life is but a breath. Man is a mere phantom as he goes to and fro: He bustles about, but only in vain; he heaps up wealth, not knowing who will get it.
Psalms 39:4-6