Das Lichtmikroskop öffnete das erste Tor zum Mikrokosmos. Das Elektronenmikroskop öffnete das zweite Tor zum Mikrokosmos. Was werden wir finden wenn wir das dritte Tor öffnen?
as quoted by Nan Yao, director of the Imaging and Analysis Center at the Princeton Materials Institute, in the Princeton Weekly Bulletin, February 26, 2001, Vol. 90, No. 18 http://www.princeton.edu/~iac/pwb2_26b.html.
“The world could change in a second,
so I find the sunshine beckons me,
to open up the gate and dream.”
Lazy Days
Life Thru a Lens (1997)
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Robbie Williams 17
British singer and entertainer 1974Related quotes

“Each of us guard a gate of change that can only be opened from the inside.”
Source: The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change

"Although innumerable beings have been led to Nirvana no being has been led to Nirvana", §5, p. 85
Knots (1970)

As quoted in [Roberts, Sam, Amy Krouse Rosenthal, Children’s Author and Filmmaker, Dies at 51, https://www.nytimes.com/2017/03/13/style/amy-krouse-rosenthal-dies-modern-love.html, 22 November 2019, The New York Times, March 13, 2017]

“He would rather burst a city gate than find it open to admit him.”
Non tam portas intrare patentis
quam fregisse juvat.
Book II, line 443 (tr. J. D. Duff).
Pharsalia

I Won't Back Down, written with Jeff Lynne
Lyrics, Full Moon Fever (1989)
Source: Conversations with Tom Petty