Siperia opettaa

Etymology
Literally +. A reference to the period (1809 to 1917) when Finland was part of Russia. At that time the serious criminals, and towards the end of the period also dissidents, were often sentenced to exile in Siberia.

Proverb

 * 1) One learns the hard way.
 * 2) experience is the best teacher lessons learned from experience are the most lasting
 * 3) once bitten, twice shy one is cautious in the future if one has been hurt in the past
 * 1) once bitten, twice shy one is cautious in the future if one has been hurt in the past