I've found that luck is quite predictable. If you want more luck, take more chances. Be more active. Show up more often.
An extreme rigor is sure to arm everything against it.
The only thing necessary for the triumph of evil is for good men to do nothing.
The great difference between the real leader and the pretender is that the one sees into the future, while the other regards only the present; the one lives by the day, and acts upon expediency; the other acts on enduring principles and for the immortality.
Those who don't know history are destined to repeat it.
Nobody made a greater mistake than he who did nothing because he could do only a little.
The hottest fires in hell are reserved for those who remain neutral in times of moral crisis.
There is in this world in which everything wears out, everything perishes, one thing that crumbles into dust, that destroys itself still more completely, leaving behind still fewer traces of itself than Beauty: namely Grief.
I always assumed scientists were free to ask any question, pursue any line of inquiry without fear or reprisal.
Don’t discount that part of who he was just because you didn’t know it. None of us are all of who we are to any one person.
In revolutions authority remains with the greatest scoundrels.