Only Socrates knew, after a lifetime of unceasing labor, that he was ignorant. Now every high-school student knows that. How did it become so easy? – Allan Bloom
Apothegms to thinking minds are the seeds from which spring vast fields of new thought, that may be further cultivated, beautified, and enlarged. – Ramsay, as quoted in A Dictionary of Thoughts: A Cyclopedia of Laconic Quotation