Akademik

Не изведаешь, пока не отведаешь
The true value of anything can be judged only from practical experi ence. See Не разжевав, вкуса не узнаешь (H)
Cf: The proof of the pudding is in the eating (Am., Br.). The test of the pudding is in the eating (Am.)

Русско-английский словарь пословиц и поговорок. . 2013.