No man's knowledge here can go beyond his experience.

If by gaining knowledge we destroy our health, we labour for a thing that will be useless in our hands.

I thought that I had no time for faith nor time to pray, then I saw an armless man saying his Rosary with his feet.

The discipline of desire is the background of character.

If, then, there must be something eternal, let us see what sort of Being it must be. And to that it is very obvious to Reason, that it must necessarily be a cogitative Being. For it is as impossible to conceive that ever bare incogitative Matter should produce a thinking intelligent Being, as that nothing should of itself produce Matter.

A sound mind in a sound body is a short but full description of a happy state in this world.

The mind being, as I have declared, furnished with a great number of the simple ideas conveyed in by the senses, as they are found in exterior things, or by reflection on its own operations, take notice, also, that a certain number of these simple ideas go constantly together... which, by inadvertency, we apt afterward to talk of and condier as one simple idea.