Fidel Castro

"Technology should serve human needs."

"History judges intentions, not outcomes."

"Philosophy without action is mere speculation."

"Literature preserves the soul of a people."

"War is the failure of diplomacy."

"Motivation comes from within."

"Inspiration is found in the struggle of others."

"Relationships are built on trust and respect."

"Solitude teaches what society cannot."

"A revolution is not a bed of roses. A revolution is a struggle between the future and the past."

"The revolution is carried out by human beings, but it must serve the basic needs of human beings."

"I think that a man is the sum of his actions, of what he has done, of what he can do. Nothing more."

"All the world's a stage and most of us are desperately unrehearsed."

"When you lose your sense of wonder, life becomes ordinary."

"Men do not shape destiny. Destiny produces the man for the times."

"Condemn me. It is immaterial to me. History will absolve me."

"The future belongs to those who believe in the beauty of their dreams."

"To be an intellectual revolutionary is impossible without being a revolutionary."

"I am more of an enemy of the ignorant than of any government."

"Youth is the only weapon of the future."

"Capitalism is doomed because it cannot tolerate competition, even within itself."

"The first duty of a revolutionary is to be successful."

"One of the greatest human needs is to feel needed."

"Education is the most powerful weapon which you can use to change the world."

"A true revolutionary must be prepared to die for their beliefs."

"Men are not free when they are oppressed by systems, nor are they free when they lack purpose."

"The revolution is not an apple that falls when it is ripe; you have to make it fall."

"Without a revolutionary theory, there can be no revolutionary movement."

"Life is the accumulation of experiences and learning from them."

"A person ceases to be a revolutionary once they grow comfortable."