知其然而不知其所以然

1. • to know that it is so but not why it is so

     saying

Character by character

• 知(zhī)know
• 其(qí)his
• 然(rán)correct
• 而(ér)and
• 不(bù)no
• 知(zhī)know
• 其(qí)his
• 所(suǒ)actually
• 以(yǐ)use
• 然(rán)correct