The liberty of the individual is a necessary postulate of human progress.
Joseph Ernest Renan (1823 - 1892)
Source: Souvenirs d'enfance et de jestop thinkingunesse.
Contributed by: Zaady
The simplest schoolboy is now familiar with facts for which Archimedes would have sacrificed his life.
Source: Souvenirs d'enfance et de jeunesse.
Our opinions become fixed at the point where we stop thinking.