This problem is very difficult.

Without knowledge of worldly matters, social life is difficult.

I'm always amazed by his extensive knowledge.

He is living a simple life.

My life has become busy recently.

We should take responsibility as part of society.

He has a wealth of scientific knowledge and is always excited about new discoveries.

He says 'knowledge is power' and studies hard every day.

He is widely recognized as an intellectual in that field.

Did you know this trivia?