more haste, less speed

haste | American Dictionary

haste
noun[ U ]
us/heɪst/
great speed:
In spite of all their haste, they didn’t have time to finish.
Officials acted in haste (= too quickly), without understanding the situation.

hastily

adverbus/ˈheɪ·stə·li/
hastily constructed houses

hasty

adjectiveus/ˈheɪ·sti/
Don’t make a hasty decision.