“One has to grow hard but without ever losing tenderness.”

“Hay que ser duro pero jamas perder la ternura.[It is necessary to be hard but never to lose the tenderness]”

“Be realistic, demand the impossible!”

“What do we leave behind when we cross each frontier? Each moment seems split in two: melancholy for what was left behind and the excitement of entering a new land.”

“When asked whether or not we are Marxists, our position is the same as that of a physicist, when asked if he is a “Newtonian” or of a biologist when asked if he is a “Pasteurian.”

“Jika hati anda bergetar melihat penindasan maka lawanlah sebab diam adalah bentuk penghianatan”

“Hay que endurecerse, pero sin perder la ternura jamás!”