Yoma 26a - Science and Art of Halacha - אסוקי שמעתתא אליבא דהילכתא

Halachik reasoning and reaching decisions (Pesak), and actionable, relevant principles is both an art and a science. Not everyone who has access to knowledge and information has the character, intuitive talent, cultural background and yir'at shamayim to do draw halachik conclusions from complex Torah sources.