Everything is interaction and reciprocal.
The sun and distant stars appeared to mingle in the perfection of the same natural order, and I felt, in the stillness of the tropical night, how much more alive and near to the heavens was this part of the earth.
The most dangerous worldview is the worldview of those who have not viewed the world.
The important thing is not to stop questioning. Curiosity has its own reason for existence. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery each day. Never lose a holy curiosity. ... Don't stop to marvel.
I believe it is in our nature to explore, to reach out into the unknown. The only true failure would be not to explore at all.
All men by nature desire to know. An indication of this is the delight we take in our senses; for even apart from their usefulness they are loved for themselves; and above all others the sense of sight. For not only with a view to action, but even when we are not going to do anything, we prefer sight to almost everything else. The reason is that this, most of all the senses, makes us know and brings to light many differences between things.