Martin in particular concluded that man was born to live either in the convulsions of misery, or in the lethargy of boredom.

Pleasantry is never good on serious points, because it always regards subjects in that point of view in which it is not the purpose to consider them.

Faith consists in believing when it is beyond the power of reason to believe.

Give me the patience for the small things of life, courage for the great trials of life. Help me to do my best each day and then go to sleep knowing God is awake.

Descartes constructed as noble a road of science, from the point at which he found geometry to that to which he carried it, as Newton himself did after him. ... He carried this spirit of geometry and invention into optics, which under him became a completely new art.

God has punished the knave, and the devil has drowned the rest.

The safest course is to do nothing against one's conscience. With this secret, we can enjoy life and have no fear from death.