Let your observations and comparisons produce in your mind an abhorrence of domination and power, the parent of slavery, ignorance, and barbarism, which places man upon a level with his fellow tenants of the woods.
At ebb tide I wrote a line upon the sand, and gave it all my heart and all my soul. At flood tide I returned to read what I had inscribed and found my ignorance upon the shore.
The endless cycle of idea and action, / Endless invention, endless experiment, / Brings knowledge of motion, but not of stillness; / Knowledge of speech, but not of silence; / Knowledge of words, and ignorance of The Word.
I know, that since life is our most precious gift, and as far as we can be absolutely certain, it's given to us to live but once, let us so live we will not regret years of useless virtue, and inertia, and timidity, and ignorance, and in our last moments we can say: 'All my life, all my conscious energies, have been dedicated to the most noble cause in the world, the liberation of the human mind and spirit - beginning with my own'.
Curiosity takes ignorance seriously - and is confident enough to admit when it's in the dark. It is aware of not knowing. And then it sets out to do something about it.
Strength, strength it is that we want so much in this life, for what we call sin and sorrow have all one cause, and that is our weakness. With weakness comes ignorance, and with ignorance comes misery.
Who can tell whether the parallelogram, which in our ignorance we have defined and drawn, and the whole of whose properties we profess to know, may not be all the while panting for exterior angles, sympathetic with the interior, or sullenly repining at the fact that it cannot be inscribed in a circle?
The greater the scientist, the more he is impressed with his ignorance of reality, and the more he realizes that his laws and labels, descriptions and definitions, are the products of his own thought. They help him to use the world for purposes of his own devising rather than understand and explain it.
There is no slight danger from general ignorance; and the only choice which Providence has graciously left to a vicious government is either to fall by the people, if they are suffered to become enlightened, or with them, if they are kept enslaved and ignorant.
We must know, if only in order to learn not to know. The supreme lesson of human consciousness is to learn how not to know. That is, how not to interfere.