A few observation and much reasoning lead to error; many observations and a little reasoning to truth.
Intuition comes very close to clairvoyance; it appears to be the extrasensory perception of reality.
In man, the things which are not measurable are more important than those which are measurable.
Hard conditions of life are indispensable to bringing out the best in human personality.
Everyone makes a greater effort to hurt other people than to help himself.
Comforts and syphilis are the greatest enemies of mankind.
Like hatred, jealousy is forbidden by the laws of life because it is essentially destructive.
All great men are gifted with intuition. They know without reasoning or analysis, what they need to know.
Man cannot remake himself without suffering, for he is both the marble and the sculptor.
All of us, at certain moments of our lives, need to take advice and to receive help from other people.
The most efficient way to live reasonably is every morning to make a plan of one's day and every night to examine the results obtained.
To what extent is any given man morally responsible for any given act? We do not know.
Life leaps like a geyser for those who drill through the rock of inertia.
The quality of life is more important than life itself.
Religion brings to man an inner strength, spiritual light, and ineffable peace.