Perhaps in 1959 the statement was true.

From: http://hyperphysics.phy-astr.gsu.edu/hbase/bkg3k.html

"Anisotropy of 3K Background
An anisotropy of about 0.1% exists in the cosmic microwave background radiation which is attributed to a Doppler shift caused by the motion of the solar system through the radiation. This anisotropy indicates motion at a velocity of about 370 km/sec relative to a "comoving observer", one who rides along with the general expansion of the universe."