Acts 2:42 "And they continued stedfastly in the apostles' doctrine and fellowship, and in breaking of bread, and in prayers."
Hebrews 10:25 "Not forsaking the assembling of ourselves together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching."
Acts 1:8 "But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth."