Look before you leap

sʲemʲ rɑs ʌtmʲerʲ ʌdʲin rɑs ʌtrʲeʒ sɛm ɹaz ɒtmə əʊdɪn ɹaz ɒtɹɛʒ

In Russian Семь раз отмерь, один раз отрежь (Sem' raz otmer', odin raz otrezh')

This Russian proverb literally means 'Measure seven times, cut once,' emphasizing careful planning.