英文翻译一下：没有做不到的事，只有不去做的事。

there's nothing that cannot be achieved as long as you try.

There're nothing one can't do, only not to do.
也可参考：
Where there's a will, there's a way.
有志者，事竟成。

there's nothing that can not be done, only the thing that is unwilling to do.

或者
there's nothing that can not be done, only the thing unwilling to do.

There's nothing(that) cannot be achieved as long as you try.

nothing can't be done to a willing heart