Men are not against you; they are merely for themselves.
The only sure thing about luck is that it will change.
Those who speak most of progress measure it by quantity and not by quality.
The human brain starts working the moment you are born and never stops until you stand up to speak in public.
There are two ways to slide easily through life; to believe everything or to doubt everything. Both ways save us from thinking.
If you want to see what children can do, you must stop giving them things.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
Idleness is not doing nothing. Idleness is being free to do anything.