/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: darrenescuyos https://cdn.slidesharecdn.com/profile-photo-darrenescuyos-48x48.jpg?cb=1523400928 The first step in the acquisition of wisdom is silence, the second listening, the third memory, the fourth practice, the fifth teaching others.