SB 12.3.23
yasasvino maha-silah
svadhyayadhyayane ratah
adhyah kutumbino hrsta
varnah ksatra-dvijottarah
Translation:
In the Dvapara age people are interested in glory and are very noble. They devote themselves to the study of the Vedas, possess great opulence, support large families and enjoy life with vigor. Of the four classes, the ksatriyas and brahmanas are most numerous.