When we pray we link ourselves with an inexhaustible motive power.

Discipline brings us effort, sacrifice and suffering. Later it brings us something of an inestimable value: something of which those who live only for pleasure, profit or amusement will always be deprived. This peculiar indefinable joy which one must have felt oneself to understand is the sign with which life marks its moment of triumph.

A few observation and much reasoning lead to error; many observations and a little reasoning to truth.

Jesus knows our world. He does not disdain us like the God of Aristotle. We can speak to Him and He answers us. Although He is a person like ourselves, He is God and transcends all things.

Those who don't learn to fight worry, die young.

...the influence of the factory upon the physiological and mental state of the workers has been completely neglected.

The best way of increasing the [average] intelligence of scientists would be to reduce their number.