Probability and Certainty

Psalm 19:7 The law of the Lord is perfect, converting the soul: the testimony of the Lord is sure, making wise the simple.
Psalm 111:7 The works of his hands are verity and judgment; all his commandments are sure.
Psalm 93:5 Thy testimonies are very sure:

Compare with • https://www.youtube.com/watch?v=rk5oxZeH96c&list=PL21jvLtxj92g3qZN9vfofZj0tZEY6rifp&index=21 see verses in the description as well.
1 Peter 3:15 But sanctify the Lord God in your hearts: and be ready always to give an answer to every man that asketh you a reason of the hope that is in you with meekness and fear:
2 Peter 1:19 We have also a more sure word of prophecy; whereunto ye do well that ye take heed, as unto a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts:
Acts 24:25 And as he reasoned of righteousness, temperance, and judgment to come, Felix trembled...
Acts 1:3 To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
Acts 9:22 But Saul increased the more in strength, and confounded the Jews which dwelt at Damascus, proving that this is very Christ.
Acts 18:4 And he reasoned in the synagogue every sabbath, and persuaded the Jews and the Greeks.
Acts 17:2 And Paul, as his manner was, went in unto them, and three sabbath days reasoned with them out of the scriptures,
Luke 24:42 And they gave him a piece of a broiled fish, and of an honeycomb. 43 And he took it, and did eat before them. 44 And he said unto them, These are the words which I spake unto you, while I was yet with you, that all things must be fulfilled, which were written in the law of Moses, and in the prophets, and in the psalms, concerning me. 45 Then opened he their understanding, that they might understand the scriptures, 46 And said unto them, Thus it is written, and thus it behooved Christ to suffer, and to rise from the dead the third day: 47 And that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.
48 And ye are witnesses of these things.