It is only of life on Earth, however, that one can speak with any certainty. It seems to me that all life on Earth, the sum total of life upon the Earth, has purpose.
The minute one utters a certainty, the opposite comes to mind.
Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance.
To teach how to live without certainty and yet without being paralysed by hesitation is perhaps the chief thing that philosophy, in our age, can do for those who study it.
The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice.
Jealousy lives upon doubts. It becomes madness or ceases entirely as soon as we pass from doubt to certainty.
As a painter today you have to work without that essential platform. But if one does not deceive oneself and accepts this lack of certainty, other things may come into play.
Mystery is gone to the certainty of technological principles. So the real terror, the real aggression against life comes in the form of the pursuit of our technological happiness.
The Resistance is a moral certainty, not a poetic one. The true poet never uses words in order to punish someone. His judgment belongs to a creative order; it is not formulated as a prophetic scripture.
It is far better to foresee even without certainty than not to foresee at all.
If you develop the absolute sense of certainty that powerful beliefs provide, then you can get yourself to accomplish virtually anything, including those things that other people are certain are impossible.
If we must not act save on a certainty, we ought not to act on religion, for it is not certain. But how many things we do on an uncertainty, sea voyages, battles!
You can safely appeal to the United Nations in the comfortable certainty that it will let you down.
The statistics of life out there and the statistics of intelligent beings and advanced civilization is a certainty, the way I look at it. that It has not been accepted, because we've been in an anthropocentric era.
Science has proof without any certainty. Creationists have certainty without any proof.