WEBVTT 00:00:20.828 --> 00:00:25.983 If you wish to make an apple pie from scratch 00:00:25.983 --> 00:00:31.811 You must first invent the universe 00:00:31.811 --> 00:00:36.664 Space is filled with a network of wormholes 00:00:36.664 --> 00:00:39.126 You might emerge somewhere else in space 00:00:39.126 --> 00:00:41.912 Some when-else in time 00:00:41.912 --> 00:00:44.211 The sky calls to us 00:00:44.211 --> 00:00:46.510 If we do not destroy ourselves 00:00:46.510 --> 00:00:52.152 We will one day venture to the stars 00:00:52.152 --> 00:00:54.265 A still more glorious dawn awaits 00:00:54.265 --> 00:00:57.028 Not a sunrise, but a galaxy rise 00:00:57.028 --> 00:01:01.115 A morning filled with 400 billion suns 00:01:01.115 --> 00:01:02.973 The rising of the milky way 00:01:02.973 --> 00:01:06.479 The Cosmos is full beyond measure of elegant truths 00:01:06.479 --> 00:01:09.915 Of exquisite interrelationships 00:01:09.915 --> 00:01:12.702 Of the awesome machinery of nature 00:01:12.702 --> 00:01:15.163 I believe our future depends powerfully 00:01:15.163 --> 00:01:17.462 On how well we understand this cosmos 00:01:17.462 --> 00:01:21.386 In which we float like a mote of dust 00:01:21.386 --> 00:01:23.081 In the morning sky 00:01:23.081 --> 00:01:26.471 But the brain does much more than just recollect 00:01:26.471 --> 00:01:30.465 It inter-compares, it synthesizes, it analyzes 00:01:30.465 --> 00:01:32.508 it generates abstractions 00:01:32.508 --> 00:01:37.315 The simplest thought like the concept of the number one 00:01:37.315 --> 00:01:38.847 Has an elaborate logical underpinning 00:01:38.847 --> 00:01:40.566 The brain has its own language 00:01:40.566 --> 00:01:43.584 For testing the structure and consistency of the world 00:02:19.015 --> 00:02:22.013 For thousands of years 00:02:22.013 --> 00:02:24.707 People have wondered about the universe 00:02:24.707 --> 00:02:26.982 Did it stretch out forever 00:02:26.982 --> 00:02:30.024 Or was there a limit 00:02:30.024 --> 00:02:32.927 From the big bang to black holes 00:02:32.927 --> 00:02:35.690 From dark matter to a possible big crunch 00:02:35.690 --> 00:02:37.640 Our image of the universe today 00:02:37.640 --> 00:02:40.357 Is full of strange sounding ideas 00:02:40.357 --> 00:02:43.004 How lucky we are to live in this time 00:02:43.004 --> 00:02:45.814 The first moment in human history 00:02:45.814 --> 00:02:51.015 When we are in fact visiting other worlds 00:03:17.446 --> 00:03:21.340 The surface of the earth is the shore of the cosmic ocean 00:03:21.340 --> 00:03:24.870 Recently we've waded a little way out 00:03:24.870 --> 00:03:27.981 And the water seems inviting