Be a philosopher but, amid all your philosophy be still a man.
He is happy whom circumstances suit his temper; but he Is more excellent who suits his temper to any circumstance.
The great end of all human industry is the attainment of happiness
Avarice, the spur of industry.
No advantages in this world are pure and unmixed.
Nothing is more dangerous to reason than the flights of the imagination and nothing has been the occasion of more mistakes among philosophers.