Divide each difficulty into as many parts as is feasible and necessary to resolve it.
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.
Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have really worked, is mine.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
My secretary is the only person who truly understands my stamp-collecting obsession.
A single conversation across the table with a wise person is worth a months study of books.