The entire ocean is affected by a single pebble.

There is enough light for those who only desire to see, and enough obscurity for those who have a contrary disposition

Small minds are concerned with the extraordinary, great minds with the ordinary.

God has given us evidence sufficiently clear to convince those with an open heart and mind.

The origins of disputes between philosophers is, that one class of them have undertaken to raise man by displaying his greatness, and the other to debase him by showing his miseries.

As we speak of poetical beauty, so ought we to speak of mathematical beauty and medical beauty. But we do not do so; and that reason is that we know well what is the object of mathematics, and that it consists in proofs, and what is the object of medicine, and that it consists in healing. But we do not know in what grace consists, which is the object of poetry.

Faith is a sounder guide than reason. Reason can only go so far, but faith has no limits.