Hal Hellman Quotes & Sayings
Enjoy the top 3 famous quotes, sayings and quotations by Hal Hellman.
Famous Quotes By Hal Hellman
Disputes among natural philosophers are of use to science, as the quarrels of the great, and the clamors of the little, are necessary to freedom of thought and the advancement of learning. — Hal Hellman
One sees what one wants to see when there is in mind a pre-conceived notion. — Hal Hellman
A fervently believed idea, even if wrong, dies hard. — Hal Hellman