It's not the hours you put in your work that counts, it's the work you put in the hours.
So quick and so fiercely I barely had time to gasp before it was locked on me.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
He who will not reason is a bigot; he who cannot is a fool; and he who dares not is a slave.
Do not weep; do not wax indignant. Understand.
The most important thing in communication is to hear what isn't being said.
The secret of greatness is simple: do better work than any other man in your field - and keep on doing it.