The least pain in our little finger gives us more concern and uneasiness than the destruction of millions of our fellow-beings. - William Hazlitt

El hombre es el único animal que ríe y llora; porque él es el único que conoce la diferencia entre las cosas que son y las que debieran ser.

To be remembered after we are dead, is but a poor recompense for being treated with contempt while we are living.

The origin of all science is in the desire to know causes; and the origin of all false science and imposture is in the desire to accept false causes rather than none; or, which is the same thing, in the unwillingness to acknowledge our own ignorance.