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The moment one constructs a device to carry into practice a crude idea, he finds himself unavoidably engrossed with the details of the apparatus. As he goes on improving and reconstructing, his force of concentration diminishes and he loses sight of the great underlying principle.… I do not rush into actual work. When I get an idea, I start at once building it up in my imagination. I change the construction, make improvements and operate the device in my mind. It is absolutely immaterial to me whether I run my turbine in thought or test it in my shop. I even note if it is out of balance.
They seemed nearer, not only mentally, but physically when they read... Their chance was to make everything fine and finished and rich and imaginative; they must bend tiny golden tentacles from his imagination to hers, that would take the place of the great, deep love that was never so near, yet never so much of a dream.
Do not be afraid of the past. If people tell you that it is irrevocable, do not believe them. The past, the present and the future are but one moment in the sight of God, in whose sight we should try to live. Time and space, succession and extension, are merely accidental conditions of thought. The imagination can transcend them.
Philosophy is to be studied, not for the sake of any definite answers to its questions, since no definite answers can, as a rule, be known to be true, but rather for the sake of the questions themselves; because these questions enlarge our conception of what is possible, enrich our intellectual imagination and diminish the dogmatic assurance which closes the mind against speculation; but above all because, through the greatness of the universe which philosophy contemplates, the mind is also rendered great, and becomes capable of that union with the universe which constitutes its highest good.
And it is you, the young people of Europe, young people like Laura, who will help decide which way the currents of our history will flow. Do not think for a moment that your own freedom, your own prosperity, that your own moral imagination is bound by the limits of your community, your ethnicity, or even your country. You're bigger than that. You can help us to choose a better history. That's what Europe tells us. That's what the American experience is all about.