Bloga dön Blog Yazıları10 Ekim 2009Stephen Covey Whatever is at the center … Atıf Ünaldı1 dakikalık okuma Stephen Covey Whatever is at the center of our life will be the source of our security, guidance, wisdom, and power. Stephen Covey ÖNCEKİ YAZISoren Kierkegaard Life can only be unde …SONRAKİ YAZITheodore Rubin There are two ways to sl …