People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.
The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air
Even truth needs to be clad in new garments if it is to appeal to a new age.
Life has a certain flavour for those who have fought and risked all that the sheltered and protected can never experience.
Safeguarding the rights of others is the most noble and beautiful end of a human being.
I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.
The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.
All my life through, the new sights of nature made me rejoice like a child.
Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live.
Life has its own hidden forces which you can only discover by living.
There is no worse bitterness than to reach the end of your life and realized you have not lived.
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
Those who are easily shocked should be shocked more often.
I desire to live in peace and to continue the life I have begun under the motto 'to live well you must live unseen'
Time ripens all things; no one is born wise.
Each life makes its own immitation of immortality.
If you've been playing poker for half an hour and you still don't know who the patsy is, you're the patsy.
Life is the dancer and you are the dance.
Life is too short for long-term grudges.
Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.
The pleasure of the moment begins to wither almost as soon as it blossoms; our pleasures are soon swallowed up in time's relentless torrent.