It has been said that man is a rational animal. All my life I have been searching for evidence which could support this. Bertrand Russell animalevidencelife Change image and share on social
The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt. Bertrand Russell cocksuredoubtfull Change image and share on social
Against my will, in the course of my travels, the belief that everything worth knowing was known at Cambridge gradually wore off. In this respect my travels were very useful to me. Bertrand Russell beliefcambridgegradually Change image and share on social
To teach how to live without certainty and yet without being paralysed by hesitation is perhaps the chief thing that philosophy, in our age, can do for those who study it. Bertrand Russell agecertaintychief Change image and share on social
The coward wretch whose hand and heart Can bear to torture aught below, Is ever first to quail and start From the slightest pain or equal foe. Bertrand Russell aughtbearcoward Change image and share on social
I do not pretend to start with precise questions. I do not think you can start with anything precise. You have to achieve such precision as you can, as you go along. Bertrand Russell achievepreciseprecision Change image and share on social
To understand a name you must be acquainted with the particular of which it is a name. Bertrand Russell acquaintunderstand Change image and share on social
Both in thought and in feeling, even though time be real, to realise the unimportance of time is the gate of wisdom. Bertrand Russell feltgatereal Change image and share on social
Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true. Bertrand Russell definemathematicssubject Change image and share on social
The man who can centre his thoughts and hopes upon something transcending self can find a certain peace in the ordinary troubles of life, which is impossible to the pure egoist. Bertrand Russell centreegoistfind Change image and share on social