THE OPENING OF THE GATES OF HEAVEN

In Isaiah / Yeshayahu 26:2 it is written:

Isaiah 26:2 Open ye the gates, that the righteous nation which keeps the truth may enter in.

The truth that the righteous nation (people) keep is the Torah. In Psalm / Tehillim 119:142 it is written:

Psalm 119:142 Thy righteousness is an everlasting righteousness, and the Torah is the truth