To do what we should think before making a speech or action. If we do not think before doing anything may result in subsequent death. Therefore, to think before doing anything, always with good results.
To do what we should think before doing. Whether the words or actions. If we do not think before you do anything, there will may be followed. So think before you do anything, I have always better.
That is what we should think about it. Regardless of the words or actions. If we don't think before you act could result in lost behind us. Therefore, think to do is the better.