There is nothing in the world more soft and weak than water, and yet for attacking things that are firm and strong there is nothing that can take precedence of it;—for there is nothing (so effectual) for which it can be changed.

Lao Tzu
Profession: Philosopher
Nationality: Chinese
Some suggestions for you :
When the job is done, the task accomplished, the people will say: We have done it ourselves.
He who stands on his tiptoes does not stand firm; he who stretches his legs does not walk (easily).
Is it not because he has no personal and private ends, that therefore such ends are realised?