“Don't be a ignorant who says he knows everything..
Because life has many tricks up its sleeve to prove you wrong..”

Life is a never ending journey of learning, which offers great knowledge with every passing moment..
Only the wise one can see through and learn this knowledge.. also can pass down this knowledge only to someone who is deemed worthy.
But before passing down the knowledge..
The wise one will always make sure if he personally is worthy enough to teach and pass down this knowledge to others.

Similarly,
If you wish to teach someone, something!
Before teaching, make sure you ask...