To knock a thing down, especially if it is cocked at an arrogant angle, is a deep delight of the blood.

...science is nothing but developed perception, interpreted intent, common-sense rounded out and minutely articulated. It is therefore as much an instinctive product, as much a stepping forth of human courage in the dark, as is any inevitable dream or impulsive action.

Nothing you can lose by dying is half as precious as the readiness to die, which is man's charter of nobility.

Artists have no less talents than ever, their taste, their vision, their sentiment are often interesting; they are mighty in their independence and feeble only in their works.

All the doctrines that have flourished in the world about immortality have hardly affected man's natural sentiment in the face of death.

Self-assurance is contemptible and fatal unless it is self-knowledge.

Prayer is not a substitute for work; it is an effort to work further and be efficient beyond the range of one's powers.