Juozas:
The whole language should be rationally reformed and the process started in some fields.
Sergejus:
By practical reasons, some languages from time to time suffer from re-catechization, the linguists being the only sufferer.

Reform Lithuanian? Gloriously archaic Lithuanian? The language every Indo-Europeanist would love to be fluent in?  It's like proposing to give the Mona Lisa a new (overpainted) dress.
 
Nonetheless, I sympathize with Juozas. The 'standard' forms of modern langauges tend to be out of step with what you hear everyday on the streets.
 
English could use some reforming too, but this is unlikely.
 
Mark.