"We too often forget that not only is there 'a soul of goodness in things evil,' but very generally also, a soul of truth in things erroneous."
- Herbert Spencer
"The great aim of education is not knowledge but action."
"If a single cell, under appropriate conditions, becomes a man in the space of a few years, there can surely be no difficulty in understanding how, under appropriate conditions, a cell may, in the cour..."
"They who employ force by proxy are as much responsible for that force as though they employed it themselves."
"Evolution is an integration of matter and concomitant dissipation of motion during which the matter passes from an indefinite incoherent homogeneity to a definite coherent heterogeneity, and during wh..."
"As a corollary to the proposition that all institutions must be subordinated to the law of equal freedom, we cannot choose but admit the right of the citizen to adopt a condition of voluntary outlawry..."
"No man is equal to his book. All the best products of his mental activity go into his book, where they come separated from the mass of inferior products with which they are mingled in his daily talk."
"A living thing is distinguished from a dead thing by the multiplicity of the changes at any moment taking place in it."
"Time is that which man is always trying to kill but which ends in killing him."
"Science is organized knowledge."