The only relevant test of the validity of a hypothesis is comparison of its predictions with experience.
檢驗假設(shè)有效性的唯一相關(guān)標(biāo)準(zhǔn)是其預(yù)測與經(jīng)驗的比較。
The behaviorist asks: Why don't we make what we can observe the real field of psychology?
The only limit to our realization of tomorrow is our doubts of today.
Every building is a compromise between dreams and reality.
The success of an enterprise cannot be achieved without accurate judgment of the future and seizing opportunities.