"Mathematics, like music and poetry, is a creation of the mind; … the primary task of the mathematician, like that of …"

"What is mind? No matter. What is matter? Never mind."

"It is the characteristic of error to be feeble, fluctuating, and anxious: it is the property of truth to be constant …"

"...they make no use of tables; but only of the addition, subtraction, multiplication, and division of certain numbers…"

"[negative numbers] ‘…darken the very whole doctrines of the equations and make dark of the things which are in their …"

"The , which measures the , together with the total energy density of the Universe, sets the size of the observable Un…"

"We are at an interesting juncture in cosmology. With new methods and technology, the accuracy in measurement of the h…"

"... after finishing my postdoc, I became a faculty member at , and then ended up being the scientific leader of this …"

"I am a Professor in the Departments of Earth and Planetary Science and Environmental Science, Policy, and Management …"

"My research group studies microbial communities, primarily using cultivation-independent approaches such as genomics …"