All Mathematical Laws Which We Find In

The More Experiences And Experiments Accumulate In The Exploration Of Nature, The More Precarious The Theories Become. But It Is Not Always Good To Discard Them Immediately On This Account. For Every Hypothesis Which Once Was Sound Was Useful For Thinking Of Previous Phenomena In The Proper Interrelations And For Keeping Them In Context. We Ought To Set Down Contradictory Experiences Separately, Until Enough Have Accumulated To Make Building A New Structure Worthwhile.

Many Intelligent People, When About To Write . . . , Force On Their Minds A Certain Notion About Style, Just As They Screw Up Their Faces When They Sit For Their Portraits.

Is It Not Strange That Mankind Should So Willingly Battle For Religion And So Unwillingly Live According To Its Precepts?

To Live When You Do Not Want To Is Dreadful, But It Would Be Even More Terrible To Be Immortal When You Did Not Want To Be. As Things Are, However, The Whole Ghastly Burden Is Suspended From Me By A Thread Which I Can Cut In Two With A Penny-knife.

The Greater Part Of Human Misery Is Caused By Indolence.