I Care Not What Subject Is Taught,

Unfortunately, It Is Much Easier To Shut One's Eyes To Good Than To Evil. Pain And Sorrow Knock At Our Doors More Loudly Than Pleasure And Happiness; And The Prints Of Their Heavy Footsteps Are Less Easily Effaced.

Only One Absolute Certainty Is Possible To Man, Namely That At Any Given Moment The Feeling Which He Has Exists.

The Rung Of A Ladder Was Never Meant To Rest Upon.

The Great Tragedy Of Science - The Slaying Of A Beautiful Hypothesis By An Ugly Fact.

There Is No Sadder Sight In The World Than To See A Beautiful Theory Killed By A Brutal Fact.