I have had so many evidences of [God's] direction, so many instances when I have been controlled by some other power than my own will, that I cannot doubt that this power comes from above.
Suspicions that the mind, of itself, gathers, are but buzzes; but suspicions that are artificially nourished and put into men's heads by the tales and whisperings of others, have stings.
We are going to a new world... and no doubt it is there that everything is for the best; for it must be admitted that one might lament a little over the physical and moral happenings of our own world.
If we didn't live venturously, plucking the wild goat by the beard, and trembling over precipices, we should never be depressed, I've no doubt; but already should be faded, fatalistic and aged.
No doubt, when modesty was made a virtue, it was a very advantageous thing for the fools, for everybody is expected to speak of himself as if he were one.
If I had any doubts at all about the justice of my dislike for Shakespeare, that doubt vanished completely. What a crude, immoral,vulgar, and senseless work Hamlet is. The whole thing is based on pagan vengeance; the only aim is to gather together as many effects as possible; there is no rhyme or reason about it.
Don't imagine that you'll discover {the truth} by accumulating more knowledge. Knowledge creates doubt, and doubt makes you ravenous for more knowledge. You can't get full eating this way.