Dynamics
A man who has humility will have acquired in the last reaches of his beliefs the saving doubt of his own certainty. (Walter Lippmann)
If life were eternal all interest and anticipation would vanish. It is uncertainty which lends its fascination. (Yoshida Kenko)
There is one thing certain, namely, that we can have nothing certain; therefore it is not certain that we can have nothing certain. (Samuel Butler)
We can be absolutely certain only about things we do not understand. (Eric Hoffer)
Diffidence is the better part of knowledge. (Charles Caleb Colton)
The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers. (Erich Fromm)
Convictions are more dangerous enemies of truth than lies. (Nietzsche)
In this unbelievable universe in which we live, there are no absolutes. Even parallel lines, reaching into infinity, meet somewhere yonder. (Pearl S Buck)