It is hard to have patience with people who say 'There is no death' or 'Death doesn't matter.' There is death.

Those who become enamored of practices without science are like sailors who go aboard ship without a rudder and compass, for they are never certain where they will land.

You do ill if you praise, but worse if you censure, what you do not understand.

Iron rusts from disue; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.

I have offended God and mankind because my work did not reach the quality it should have.

People react to fear, not love - they don't teach that in Sunday School, but it's true.

Just as iron rusts from disuse, even so does inaction spoil the intellect.

Every obstacle yields to stern resolve.

Winners make it happen. Losers let it happen.

In her [Nature’s] inventions nothing is lacking, and nothing is superfluous.