Sole Test Quotes

2 Sole Test quotes by 2 unique authors

• What is the fundamental hypothesis of science, the fundamental philosophy? We stated it in the first chapter: the sole test of the validity of any… — Richard P. Feynman
• All that we did, all that we said or sang Must come from contact with the soil, from that Contact everything Antaeus-like grew strong. We… — William Butler Yeats

Who Wrote These Sole Test Quotes

2 authors contributed a total of 2 Sole Test Quotes as follows:

• 1 Sole Test Quote by William Butler Yeats
• 1 Sole Test Quote by Richard P. Feynman