Question

who tells this lines...

Answer 1

The famous physicist Albert Einstein reportedly used a wonderful simile that compared riding a bicycle withliving successfully. Here are three versions:Life is like riding a bicycle. To keep your balance you must keep moving



hope it will help you

Answer 2

Heya !! ☺

These lines are just awesome.
These encouraging lines are seen in the back of classmate notebooks. The writer is not mentioned there.
But from the above ans. it's said by the famous scientist Albert Eisenstein.