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 Copy Share Image
Disputes among natural philosophers are of use to science, as the quarrels of the great, and the clamors of the little, are necessary to… — Hal Hellman Copy Share Image
One sees what one wants to see when there is in mind a pre-conceived notion. — Hal Hellman Copy Share Image
