Quote by Tarski, Alfred

"The sentence 'snow is white' is true if and only if snow is white."

"Logic is the study of the principles governing valid inference."

"Truth is a property of sentences, not of the world itself."

"Mathematics is the art of reducing any problem to previously solved problems."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."