Come, come!

Come, come, whoever you are.
Wanderer, worshipper, lover of living, it doesn't matter
Ours is not a caravan of despair.
Come even if you have broken your vow a thousand times,
Come, yet again, come, come.

WikiQuote has a large collection of sourced Rumi poems and quotes, which is available on the web HERE.

Project Gutenberg has three books of Rumi's poems available to read online or download for free, and you can access their collection HERE.