The (,) in the Indian writer Tagore's Birds makes us understand that nothing can be done at once. To do this well, you must have perseverance and perseverance.

Song 86: "Fruit, how far are you from me?" "I am hidden in your heart, flower."

I have seen all the bird collections. It's just that this sentence is a little close to what you want.

But Tagore's other book of poetry, Gitanjali, has what you want:

"The nearest place to you is the farthest way; The simplest tone needs the hardest practice "(Gitanjaly 12).

And ... that idiom is "vinegar". ......