mądrej

In a sentence

• Zawsze słucham mądrej rady.

  I always listen to wise advice.

  Here, 'mądrej' is the genitive singular feminine form of 'mądry', agreeing with 'rady'.

• Ta książka pochodzi z mądrej kobiety.

  This book comes from a wise woman.

  In this sentence, 'mądrej' is in the genitive singular form, describing 'kobiety'.

• Nie widziałem tak mądrej decyzji od dawna.

  I haven't seen such a wise decision for a long time.

  Here, 'mądrej' serves as the genitive singular feminine form, agreeing with 'decyzji'.