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In mathematics, the journey of discovery is often more rewarding than the destination itself.
If you're not failing, you're not pushing hard enough.
War is an ugly thing, but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war, is much worse.
Engineers are the ones who create the future. They’re the people who change the world.
The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.
I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.