Man is defined as a human being and a woman as a female — whenever she behaves as a human being she is said to imitate the male.

It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.

Rest satisfied with doing well， and leave others to talk of you as they please.

To write a good love letter， you ought to begin without knowing what you mean to say， and to finish without knowing what you have written.

Architecture should speak of its time and place, but yearn for timelessness.

The study of psychology is the study of life's solutions.