“Knowledge once gained casts a faint light beyond its own immediate boundaries.”

“The surest way of concealing from others the boundaries of one's own knowledge is not to overstep them.”

Giacomo Leopardi (1798–1837) Italian poet, philosopher and writer

“For a breeze of morning moves,
And the planet of Love is on high,
Beginning to faint in the light that she loves
On a bed of daffodil sky,
To faint in the light of the sun she loves,
To faint in his light, and to die.”

Alfred, Lord Tennyson (1809–1892) British poet laureate

“Knowledge about things beyond our immediate environment may be acquired through deduction, if the initial premises are believed to be correct.”

Nayef Al-Rodhan (1959) philosopher, neuroscientist, geostrategist, and author

“I’m afraid of love, because it involves things that are beyond our understanding; it sheds such a brilliant light, but the shadow it casts frightens me.”

Paulo Coelho book Brida

“The Sea, once it casts its spell, holds one in its net of wonder forever.”

Jacques-Yves Cousteau (1910–1997) French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and …

“You can predict exactly what a machine will do if you have sufficient knowledge of it. A machine cannot go beyond the limitations of its design. The man-machine fears death because a machine cannot see beyond its own destruction.”

Barry Long (1926–2003) Australian spiritual teacher and writer

“Beyond his own sure knowledge, he had not a shred of proof.”

Clifford D. Simak (1904–1988) American writer, journalist

“Once you see the boundaries of your environment, they are no longer the boundaries of your environment.”

Marshall McLuhan (1911–1980) Canadian educator, philosopher, and scholar-- a professor of English literature, a literary critic, and a …

“Every serious novel is, beyond its immediate thematic preoccupations, a discussion of the craft, a conquest of the form, a conflict with its difficulties and a pursuit of its felicities and beauty.”

Ralph Ellison (1914–1994) American novelist, literary critic, scholar and writer