With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."

whom it behoveth heaven, indeed, to receive till times of a restitution of all things, of which God spake through the mouth of all His holy prophets from the age.

for above forty years of age was the man upon whom had been done this sign of the healing.

“As he was approaching the age of 40, he decided to visit his brothers, the Israelites.

And speaking boldly, Paul and Barnabas said, 'To you it was necessary that first the word of God be spoken, and seeing ye do thrust it away, and do not judge yourselves worthy of the life age-during, lo, we do turn to the nations;

And the nations hearing were glad, and were glorifying the word of the Lord, and did believe -- as many as were appointed to life age-during;

Known from age-past times.

Now God made allowance for the times when people were still uninformed [about His complete will], but now [in the Gospel age] He requires all people everywhere to repent [i.e., change their hearts and lives].