He turns his coat, according to the wind.
More Hungarian Proverbs:
The underskirt is longer than the skirt.Hungarian
One cannot sit in two saddles having one arse/bottom only.
Hungarian
The mills of God grind slowly, but surely.
Hungarian
Wise men learn by others' harm.
Hungarian
A mester is a master in hell as well.
Hungarian
He would attend ther funeral of labour.
Hungarian