QURAN 50:17
When the two receivers receive, seated on the right and on the left.

QURAN 50:18
Man does not utter any word except that with him is an observer prepared [to record].

QURAN 50:19
And the intoxication of death will bring the truth; that is what you were trying to avoid.

QURAN 50:20
And the Horn will be blown. That is the Day of [carrying out] the threat.

QURAN 50:21
And every soul will come, with it a driver and a witness.

QURAN 50:22
[It will be said], "You were certainly in unmindfulness of this, and We have removed from you your cover, so your sight, this Day, is sharp."

QURAN 50:23
And his companion, [the angel], will say, "This [record] is what is with me, prepared."

PROPHET MUHAMMAD (ﷺ) said:
When the son of Adam wakes up in the morning, all of his body parts bow to the tongue and say: 'Fear Allah regarding us, we are only part of you. If you are straight we are straight and if you are crooked we are crooked.

PROPHET MUHAMMAD (ﷺ) said:
Whoever can guarantee (the chastity of)
1) What is between his two jaw-bones (tongue) and
2) What is between his two legs (private parts),
I guarantee Paradise for him.

Narrated: Uqbah bin 'Amir
"I said: 'O Messenger of Allah (ﷺ)! What is the means to salvation?'
He (ﷺ) said:
1)'That you control your tongue,
2) Suffice yourself your house,
3) And cry over your sins.'"

Sufyan bin 'Abdullah Ath-Thaqafi said:
I said: "O Messenger of Allah (ﷺ)! Inform me about a matter that I may hold fast to."
He (ﷺ) said: 'Say: My Lord is Allah, then be steadfast.'
I said: "O Messenger of Allah (ﷺ)! What do you fear most for me?"
So he (ﷺ) took hold of his tongue and said: 'This.'"

Narrated: Abu Ayyub
“A man came to the Prophet (ﷺ) and said: ‘O Messenger of Allah (ﷺ), teach me but make it concise.’
He (ﷺ) said:
1) When you stand to pray, pray like a man bidding farewell.
2) Do not say anything for which you will have to apologize.
3) And give up hope for what other people have.’”