Quotes about Untried

I have yet to hear the first syllable of valuable or even earnest advice from my seniors. They have told me nothing, and probably cannot tell me anything to the purpose. Here is life, an experiment to a great extent untried by me; but it does not avail me that they have tried it. If I have any experience which I think valuable, I am sure to reflect that this my Mentors said nothing about

What is conservatism? Is it not the adherence to the old and tried against the new and untried?

The Christian ideal has not been tried and found wanting; it has been found difficult and left untried.