“Beware; for I am fearless, and therefore powerful.”
Source: Frankenstein
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Mary Wollstonecraft Shelley 94
English novelist, short story writer, dramatist, essayist, … 1797–1851Related quotes

The Earthly Paradise (1868-70), The Lady of the Land
Context: What man art thou that thus hast wandered here,
And found this lonely chamber where I dwell?
Beware, beware! for I have many a spell;
If greed of power and gold have led thee on,
Not lightly shall this untold wealth be won.
But if thou com'st here knowing of my tale,
In hope to bear away my body fair,
Stout must thine heart be, nor shall that avail
If thou a wicked soul in thee dost bear;
So once again I bid thee to beware,
Because no base man things like this may see,
And live thereafter long and happily.

“Beware of these powers, and desire them not.”
Source: Sayings of Sri Ramakrishna (1960), p. 372
Context: Visit not miracle-mongers and those who exhibit occult powers. These men are stragglers from the path of Truth. Their minds have become entangled in psychic powers, which are like veritable meshes in the way of the pilgrim to Brahman. Beware of these powers, and desire them not.

Statement to his women mandali, December 1942, as quoted in Gift of God (1996) by Arnavaz Dadachanji, p. 72.
General sources

“Beware the power of the pajama-clad, Cheeto-eating, twitter, blogging hordes. We are legion!”
The Rachel Maddow Show, MSNBC (May 4, 2009)

Words spoken by an actor portraying Young in the movie September Dawn, an account of the Mountain Meadows massacre. This exact statement has not been attributed to a known source, and may be a paraphrase of a statement made by Young on March 2, 1856: "The time is coming when justice will be laid to the line and righteousness to the plummet; when we shall take the old broad sword and ask, "Are you for God?" and if you are not heartily on the Lord's side, you will be hewn down." (Journal of Discourses 3:226)
Misattributed

As quoted in The Civil Sphere (2006) by Jeffrey C. Alexander, p. 388
1960s

The Uttarpara Address (1909)

“I find that whenever I am in power, or my father was in power, somehow good things happen.”
As quoted in "I never asked for power" in The Guardian (15 August 2002)
Context: I find that whenever I am in power, or my father was in power, somehow good things happen. The economy picks up, we have good rains, water comes, people have crops. I think the reason this happens is that we want to give love and we receive love.