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"The past is always present in our stories, shaping the way we see the future."

The city is the greatest architectural achievement of humanity.

The biggest challenge in life is being yourself in a world that's trying to make you like everyone else.

Do not try to change the outer world; change your inner world, and the outer world will adjust itself.

Science is the pursuit of truth through evidence.

You are never too old to set another goal or to dream a new dream.

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

The beauty of theoretical computer science lies in its ability to abstract and generalize, turning specific problems into universal truths.