When you go upstairs, go up with high spirits; when you go downstairs, go down with high spirits.

“Silah üreticisiyle katil aynı şeydir! Ahlaklı ol, silah üretmeyi bırak! Tanrı a…”

“What have you done for science today? Stop doing things for God! He doesn't nee…”

“If you are after truth, let your shadow be the only shadow around you! Stay awa…”

“One is greater than two amongst three men where only one of them is intelligent!”