After working in the construction and the oilfield for the last 25 years , I've heard alot . The best ones that won't get me exiled here though are
Measure twice cut once
Slow is smooth and smooth is fast
Don't always have time to do it right the first time, but we'll make time to do it again.
May hay while the sun's shining
You can't keep p!ssing on a man's back and tell him it's raining