三思而后行 Think three times, then act. The phrase comes from the Analects, where it is said of the minister Ji Wenzi. Confucius heard it and said: “Twice is enough.” (再，斯可矣)
欲速则不达 Seek speed and you will not arrive. Also from the Analects: “Do not seek speed. Do not look for small gains. Seek speed and you will not arrive. Look for small gains and great matters will not be achieved.”
磨刀不误砍柴工 Sharpening the axe does not delay the cutting of firewood. Good preparation does not waste time.