Purely Hypothetical Quotes

2 Purely Hypothetical quotes by 2 unique authors

• With our present knowledge, we can respond to the challenge of stellar space flight solely with intellectual concepts and purely hypothetical analysis. Hardware solutions are… — Wernher von Braun
• Mathematics is purely hypothetical: it produces nothing but conditional propositions. — Charles Sanders Peirce

Who Wrote These Purely Hypothetical Quotes

2 authors contributed a total of 2 Purely Hypothetical Quotes as follows:

• 1 Purely Hypothetical Quote by Wernher von Braun
• 1 Purely Hypothetical Quote by Charles Sanders Peirce