This Splendid Subject [mathematics], Queen Of All

All Possible Truth Is Practical. To Ask Whether Our Conception Of Chair Or Table Corresponds To The Real Chair Or Table Apart From The Uses To Which They May Be Put, Is As Utterly Meaningless And Vain As To Inquire Whether A Musical Tone Is Red Or Yellow. No Other Conceivable Relation Than This Between Ideas And Things Can Exist. The Unknowable Is What I Cannot React Upon. The Active Part Of Our Nature Is Not Only An Essential Part Of Cognition Itself, But It Always Has A Voice In Determining What Shall Be Believed And What Rejected.

Adolescence As The Time When An Individual ‘recapitulates’ The Savage Stage Of The Race’s Past.

Constant Muscular Activity Was Natural For The Child, And, Therefore, The Immense Effort Of The Drillmaster Teachers To Make Children Sit Still Was Harmful And Useless.

Puberty For A Girl Is Like Floating Down A Broadening River Into An Open Sea.

Muscles Are In A Most Intimate And Peculiar Sense The Organs Of The Will.