page 49: 'spirtiual'->'spiritual'
page 51: 'spirtual'->'spiritual'
page 51: 'spirtual'->'spiritual'
page 95: 'misundertandings'->'misunderstandings'
page 139: 'underly'->'underlie'
page 147: 'ourself'->'ourselves'
page 165: 'undertsanding'->'understanding'
page 185: 'iregular'->'irregular'