19 Because he never weakened in faith, he calmly contemplated his own vital powers as worn out (for he was about one hundred years old) and the inability of Sarah to bear a child,
Romans 4:19 Cross References - Williams
Matthew 6:30
30 Now if God so gorgeously dresses the wild grass which today is green but tomorrow is tossed into the furnace, will He not much more surely clothe you, O you with little faith?
Matthew 8:26
26 And He said to them, "Why are you afraid, O you with little faith?" Then He got up and rebuked the winds and the sea, and there was a great calm.
Matthew 14:31
31 Jesus at once put out His hand and caught hold of him, and said to him, "O you of little faith! Why did you waver so?"
Mark 9:23-24
John 20:27-28
Romans 4:20-21
Romans 14:21
21 The right thing to do is not to eat meat, or drink wine, or do anything else, that makes your brother stumble.
Hebrews 11:11-19
11 By faith Sarah received strength to become pregnant, and actually gave birth to a child, although she was past the time of life for it, because she thought that He who made her the promise was to be trusted.
12 And so there sprang from one man, and that dead as to any prospects for offspring, a people as numberless as the stars in the sky and as the sands beside the seashore.
13 These people all died victoriously as a result of their faith, although they did not receive the blessings promised; that is, because they really saw them in the far-off future and welcomed them, and so professed to be only foreigners and strangers here on earth.
14 For people who make such a profession as this show that they are in search of a country of their own.
15 And if they had been cherishing the memory of the country they had left, they would have had an opportunity to go back.
16 But in reality they were aspiring for a better country, I mean, a heavenly one. This is why God is not ashamed to be called their God, for He has prepared a city for them.
17 By faith Abraham, when he was put to the test, offered Isaac as a sacrifice; that is, he who had received the promise was starting to offer as a sacrifice his only son,
18 of whom it had been said, "Through Isaac your offspring must be traced."
19 For he considered the fact that God was able to raise people from the dead; and so from the dead, in a figure, he did receive him back.