A proverb in different places

A proverb at different places

*Japanese  Proverb:*

If One Can Do,

You Can Do.

If No one Can Do,

You Must Do.

*Indian  Proverb:*

If One Can Do,

Let Him Do.

If No one Can Do

What Can I Do?

*Kerala Proverb:*

If One Can Do,

Don’t Let Him Do.

If No One Can Do,

Bengalis Will Do…

?