This is a ruthless world and one must be ruthless to cope with it.
I suspect that one of capitalism's crucial assets derives from the fact that the imagination of economists, including its critics, lags well behind its own inventiveness, the arbitrariness of its undertaking and the ruthlessness of the way in which it proceeds.
Success always necessitates a degree of ruthlessness. Given the choice of friendship or success, I'd probably choose success.
Truthfulness so often goes with ruthlessness.
'I could kill you like this,' Peter whispered. 'Just press and press until you're dead'.
He jumped at the Giants face, clambered up his lip and nose, and began to dig in the Giant's eye.
'So if we can we'll kill every last of the buggers, and if they can they'll kill every last one of us. As for me,' said Ender, 'I'm in favor of surviving'.
There is no telling to what extremes of cruelty and ruthlessness a man will go when he is freed from the fears, hesitations, doubts and the vague stirrings of decency that go with individual judgment.
The hatred and cruelty which have their source in selfishness are ineffectual things compared with the venom and ruthlessness born of selflessness.
Selsdon Man is designing a system of society for the ruthlessness and the pushing, the uncaring. His message to the rest is: you're out on your own.
To save our imperiled honor everything must be sacrificed, even virtue.
Economics dominates politics - and with that domination comes different forms of ruthlessness.
You have ruthlessness in your bones and ice in your heart, Clarissa. Don't tell me any differently.
In both cases, weakness and scruples had defeated strength and ruthlessness.
Jim and I hit it off immediately, partly because our interests were astonishingly similar and partly, I suspect, because a certain youthful arrogance, a ruthlessness, an impatience with sloppy thinking can naturally to both of us.
Disregard for the consequences and for right and wrong nowadays passes as energy.
The price of being oneself is so high and involves so much ruthlessness toward others (or what looks like ruthlessness in our duty-bound culture) that very few people can afford it.
I admire people who are very successful. But if that success has been achieved through too much ruthlessness, then I may admire that person, but I can't respect him.
Simplicity requires ruthlessness.
A ruthless man extends his ruthlessness from those he does not love to those he loves.
No man can tame a tiger into a kitten by stroking it. There can be no appeasement with ruthlessness. There can be no reasoning with an incendiary bomb.
Never underestimate the ruthlessness of the ego to keep you in a state of suffering in which you voluntarily participate.
The Great War differed from all ancient wars in the immense power of the combatants and their fearful agencies of destruction, and from all modern wars in the utter ruthlessness with which it was fought.