Kind thoughts are rarer than either kind words or deeds. They imply a great deal of thinking about others. This in itself is rare. But they also imply a great deal of thinking about others without the thoughts being criticisms. This is rarer still.
In garden arrangement, as in all other kinds of decorative work, one has not only to acquire a knowledge of what to do, but also to gain some wisdom in perceiving what it is well to let alone.