Man is incurably curious.

“Wars come from egotism and selfishness. Every macrocosmic or world war has its …”

“Our poor human heart is flawed: it is like a cake without the frosting: the fir…”

“For if we understood or said that colour is not in a coloured body, or that it …”

“A teacher who cannot explain any abstract subject to a child does not himself t…”