El Pensamiento y su poder

http://buenasiembra.com.ar/salud/meditacion/el-pensamiento-su-poder-857.html

Bertrand Russell - to our descendants

http://www.youtube.com/watch?v=g3jnEqXhDNI&feature=player_embedded

Love Is Wise, Hatred Is Foolish: Bertrand Russell on Rationality and Tolerance, 1959

http://www.brainpickings.org/index.php/2012/05/24/love-is-wise-hatred-is-foolish-bertrand-russell-1959/