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?

By learning a one-line fact every day, your knowledge will increase.

I saw an old man playing with his grandson in the park.

He has contributed to the company for many years as an elderly worker.

The old man takes a walk in the park every day.

An old person was playing with his grandson in the park.

Recently, my mother's presbyopia has been progressing, making it difficult for her to read.