“Doubt is the vestibule of faith.”

Deliberate with caution, but act with decision and yield with graciousness, or oppose with firmness.

No man can purchase his virtue too dear, for it is the only thing whose value must ever increase with the price it has cost us. Our integrity is never worth so much as when we have parted with our all to keep it.

Ignorance is a blank sheet, on which we may write; but error is a scribbled one, on which we must first erase.

True contentment depends not upon what we have; a tub was large enough for Diogenes, but a world was too little for Alexander.

Men are born with two eyes, but with one tongue, in order that they should see twice as much as they say.

Women do not transgress the bounds of decorum so often as men; but when they do, they go greater lengths.

He that places himself neither higher nor lower than he ought to do exercises the truest humility.

Physical courage, which despises all danger, will make a man brave in one way; and moral courage, which despises all opinion, will make a man brave in another.

In death itself there can be nothing terrible, for the act of death annihilates sensation; but there are many roads to death, and some of them justly formidable, even to the bravest.

Nothing more completely baffles one who is full of trick and duplicity himself, than straight forward and simple integrity in another.

Total freedom from error is what none of us will allow to our neighbors; however we may be inclined to flirt a little with such spotless perfection ourselves.

None are so fond of secrets as those who do not mean to keep them; such persons covet secrets as a spendthrift covets money, for the purpose of circulation.

Life isn’t like a book. Life isn’t logical or sensible or orderly. Life is a mess most of the time. And theology must be lived in the midst of that mess.

If a cause be good, the most violent attack of its enemies will not injure it so much as an injudicious defence of it by its friends.

We should not be too niggardly in our praise, for men will do more to support a character than to raise one.

Pleasure is to women what the sun is to the flower; if moderately enjoyed, it beautifies, it refreshes, and it improves; if immoderately, it withers, deteriorates and destroys.

I no doubt deserved my enemies, but I don’t believe I deserved my friends.

Don’t ever doubt yourselves or waste a second of your life. It’s too short, and you’re too special.

Being logical gave me a reason to doubt.

And by the way, everything in life is writable about if you have the outgoing guts to do it, and the imagination to improvise. The worst enemy to creativity is self-doubt.

I know it when I don’t know it. Sometimes I know it when I don’t think I know it. I need to trust myself in these moments, these rare moments of self-doubt.

It is a simple feat of scientific electrical engineering – only expensive – blind, faint-hearted, doubting world.

It is with the reading of books the same as with looking at pictures; one must, without doubt, without hesitations, with assurance, admire what is beautiful.

Deep into that darkness peering, long I stood there, wondering, fearing, doubting, dreaming dreams no mortal ever dared to dream before.