The days most wasted are those during which we have not laughed. Nicolas Chamfort
Education is the period during which you are being instructed by somebody you do not know, about something you do not want to know. G. K. Chesterton
Great minds are related to the brief span of time during which they live as great buildings are to a little square in which they stand: you cannot see them in all their magnitude because you are standing too close to them. Arthur Schopenhauer
Writing a novel is a terrible experience, during which the hair often falls out and the teeth decay. Flannery O’Connor
They [his 'Street Scene' paintings and drawings,he made in Berlin] originated in the years 1911-14, in one of the loneliest times of my life, during which an agonizing restlessness drove me out onto the streets day and night, which were filled with people and cars. Ernst Ludwig Kirchner
And I have lived since - as you have - in a period of cold war, during which we have ensured by our achievements in the science and technology of destruction that a third act in this tragedy of war will result in the peace of extinction. Lester B. Pearson