Make haste slowly.
To do things the proper way instead of hurriedly and heedlessly; to see urgent things through in a thorough manner.
Translated from Latin to English, 'festina lente' means literally 'make haste slowly'; this translation also sounds a lot better than 'hurry slowly'.
Latin proverb that means: Hurry slowly
1. I heard about festina lente, but you are taking it too far... you sorry excuse for a man...
2. By all means festina lente, it's not like we've got a plane to catch
3. It's better to festina lente rather than getting caught in a mess...