The man who always takes and never gives is not a leader. He is a parasite.
One of the main weaknesses of mankind is the average man's familiarity with the word 'impossible.
Successful people make decisions quickly (as soon as all the facts are available) and change them very slowly (if ever). Unsuccessful people make decisions very slowly, and change them often and quickly.
No man achieves great success who is unwilling to make personal sacrifices.
Count that day lost whose descending sun finds you with no good deeds done.
It is always better to imitate a successful man than to envy him.