The Bible says always be prepared with an answer.
If you do not know the Bible how can you be?
Ezekiel 36:26
And I will give you a new heart, and a new spirit I will put within you. And I will remove the heart of stone from your flesh and give you a heart of flesh.
Proverbs 4:23
Keep your heart with all vigilance, for from it flow the springs of life.
Matthew 5:8
“Blessed are the pure in heart, for they shall see God.
Jeremiah 17:10
“I the Lord search the heart and test the mind, to give every man according to his ways, according to the fruit of his deeds.”
Psalm 34:18
The Lord is near to the brokenhearted and saves the crushed in spirit.
Proverbs 21:2
Every way of a man is right in his own eyes, but the Lord weighs the heart.
Ezekiel 11:19
And I will give them one heart, and a new spirit I will put within them.
I will remove the heart of stone from their flesh and give them a heart of flesh,
Matthew 15:18-20
But what comes out of the mouth proceeds from the heart, and this defiles a person. For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander. These are what defile a person. But to eat with unwashed hands does not defile anyone.”
1 Samuel 16:7
But the Lord said to Samuel, “Do not look on his appearance or on the height of his stature, because I have rejected him. For the Lord sees not as man sees: man looks on the outward appearance, but the Lord looks on the heart.”
Luke 12:33-34
Sell your possessions, and give to the needy. Provide yourselves with moneybags that do not grow old, with a treasure in the heavens that does not fail, where no thief approaches and no moth destroys. For where your treasure is, there will your heart be also.
1 Timothy 1:5
The aim of our charge is love that issues from a pure heart and a good conscience and a sincere faith.
Psalm 26:2
Prove me, O Lord, and try me; test my heart and my mind.
Romans 2:5
But because of your hard and impenitent heart you are storing up wrath for yourself on the day of wrath when God's righteous judgment will be revealed.
Matthew 22:37
And he said to him, “You shall love the Lord your God with all your heart and with all your soul and with all your mind.
Psalm 112:7
He is not afraid of bad news; his heart is firm, trusting in the Lord.
Hebrews 10:22
Let us draw near with a true heart in full assurance of faith, with our hearts sprinkled clean from an evil conscience and our bodies washed with pure water.
Romans 10:10
For with the heart one believes and is justified, and with the mouth one confesses and is saved.
Romans 1:21
For although they knew God, they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened.
So much important scripture. No Bible mentioned.