Sine doctrina vita est quasi mortis imago" [Without learning, life is but the image of death] - Dionysius Cato
Nil Sine Magno Labore ("Nothing without great effort") --Motto of Brooklyn College - Tony-Paul de Vissage
Taking charge of your own learning is a part of taking charge of your life, which is the sine qua non in becoming an integrated person. - Warren G. Bennis
Crescuţi fără iubire,copii ajung să creadă despre sine că nu merită să fie iubiţi. - Morgan Scott Peck
Nihil est sine ratione.[There is nothing without a reason.] - Gottfried Wilhelm Leibniz
Isolation, for him, had become a basic sine qua non for existence and loneliness, his sole companion like a perfectly faithful twin. He was someone for whom even happiness would cry for, mourning the death of his sentiments and murdering the existence of his soul. - Faraaz Kazi
Pluralitas non ponenda est sine necessitate