You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.
The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.
The impossible could not have happened, therefore the impossible must be possible in spite of appearances.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.
If you are neutral in situations of injustice, you have chosen the side of the oppressor.
We are all born ignorant, but one must work hard to remain stupid
What can't be cured must be endured.
Intelligence is the ability to adapt to change.
Do not pray for an easy life, pray for the strength to endure a difficult one.
Each problem that I solved became a rule which served afterwards to solve other problems.
Appearances often are deceiving.
We never see ourselves as others see us.
All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.
Having a great intellect is no path to being happy.
Reality leaves a lot to the imagination.
Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.
Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.
Intelligence is a moral category.
If you are a parent, open doors to unknown directions to the child so he can explore. Don't make him afraid of the unknown,give him support.
He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.